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ESRS 40a — turbines above a flowering field, two strata meeting at a hard line, as Article 40a's two-limb test does
ESRS-40a · Exposure draft · Every figure sourced · Verified 21 August 2026

ESRS-40a: who Article 40a actually catches

ESRS 40a is the draft EU sustainability reporting standard for groups that are not established in the EU but sell into it at scale. A UK parent is a third-country parent for this purpose [2].

The trigger is turnover in the European Union, and nothing else. There is no employee test at either limb — which is what makes this different from every other CSRD threshold you have read about, and why a lean group can be caught where a much larger EU competitor is not.

It is an exposure draft, not law. EFRAG published it on 23 July 2026 and the consultation closes 31 October 2026 [1].

Photo: Unsplash / Zbynek Burival
€450mEU net turnover, each of two consecutive years €200mEU subsidiary or, failing that, branch 0employee thresholds in the Article 40a test 15primary sources — all linked
01 · In plain English

N-ESRS, ESRS-TC and ESRS-40a are the same standard

Renamed twice in three months. If you have been following this since 2024 you have watched it change name under you, and half the documents you will find still use the old ones.

ESRS 40a is the current name, as at 19 August 2026. EFRAG’s own launch announcement is the only source that spells the history out, and it does so in one clause: the standard was “previously called Non-EU ESRS (N-ESRS) or ESRS for third countries (ESRS-TC)” [1].

01
N-ESRS — the 2024 working name
Used through the technical development phase that ran from 2024 into early 2025 and produced the first exposure draft, before the work was paused for the Omnibus simplification negotiations [2]. Documents from that period refer to NESRS 1 and NESRS 2, a structure that no longer exists.
02
ESRS-TC — the June 2026 board-paper name
Carried through the EFRAG Sustainability Reporting Board papers in the spring and early summer of 2026, including the June 2026 markup documents. Retired on 23 July 2026. Any page still describing “ESRS-TC” in the present tense is at least four weeks out of date, and probably older than that.
03
ESRS-40a — from 23 July 2026
The formal title is “European Sustainability Reporting Standards for certain non-EU undertakings (ESRS-40a)” [1]. The 40a is not a version number. It is Article 40a of the Accounting Directive, the provision the standard exists to serve.
SOURCE: naming history quoted verbatim from EFRAG’s consultation launch announcement, 23 July 2026 [1]; project chronology from the EFRAG project page [2].

The naming matters for a practical reason and a search reason. Practically, a group that commissioned a gap analysis in 2024 has a document describing a draft with a different name, a different structure and, since Omnibus I, different thresholds. It is not a light-touch update.

And for search: “esrs 40a”, “esrs-40a”, “esrs tc” and “n-esrs” are four ways of asking one question, and the answer is on this page rather than on our general ESRS page, which covers ESRS 1, ESRS 2, the topical standards and the July 2026 revision for EU-established undertakings.

The sentence to take away

One standard, three names, and a fourth thing it is not: ESRS-40a is not a version of the ESRS. It is a separate draft standard for a separate population, built on the revised ESRS the Commission adopted on 3 July 2026.

ESRS-40a scope — a living green facade on a corporate building, the EUR 450m group limb and the EUR 200m EU foothold Photo: Unsplash / Ricardo Gomez Angel
02 · The trigger

Two turnstiles in series, and no employee count in either

Both have to open. The second one is not the plain “or” that almost every summary makes it.

Article 40a of the Accounting Directive, as amended by Omnibus I, reaches a non-EU parent undertaking where both of two limbs are met [2].

€450 million of EU-generated net turnover, in each of the last two consecutive financial years
Measured on turnover generated in the Union — not group turnover, and not the turnover of your EU entities. One good year does not do it, and the test looks backwards at the two years just closed rather than forwards at a forecast.
An EU subsidiary over €200 million or, where there is no such subsidiary, an EU branch over €200 million
Measured in the preceding financial year, one year rather than two. The branch test is a fallback, not an alternative: it is reached only where no qualifying subsidiary exists. Omnibus I set this €200m figure in place of two different older tests: a €40 million threshold for branches, and a qualitative “large subsidiary” test for subsidiaries.

What is not in the test

This is the fact most worth carrying away, because almost every reader arrives at Article 40a having already read about CSRD scope, and CSRD scope works differently.

There is no employee threshold at either limb. The entity-level test that applies to EU-established undertakings under Omnibus I requires both more than 1,000 employees and more than €450m of net turnover. Article 40a requires turnover alone, twice over, and never asks how many people you employ.

The consequence is uncomfortable and worth stating directly. A lean, high-revenue UK group selling into the EU — a software business, a trading house, a licensor, a distributor-led consumer brand — can be caught by Article 40a while a far more labour-intensive EU competitor of identical revenue sits outside Article 19a because it does not have 1,000 employees. The two tests are not calibrated against each other, and nothing in the drafting suggests they were meant to be.

Three definitional traps in limb 1

“Net turnover generated in the Union” is a number most groups do not report
Consolidated accounts present turnover by segment or by region, and “EMEA” is not “the Union”. Establishing this figure is the first piece of work Article 40a creates, and it is work you have to do before you know whether the standard applies to you at all.
“Each of the last two consecutive financial years” is a rolling test
You do not cross this threshold once and stay across it. You are in or out on a two-year look-back that re-runs every year. A group that dips below €450m for one year has broken the consecutive run.
You can cross it without doing anything
No transaction, no restructuring, no board decision. Two strong years of EU sales will do it. That makes this a test to re-run annually as a matter of routine, rather than one to answer once and file.
And the trap in limb 2

The Directive reaches an EU branch only “where there is no such subsidiary”. A group with a €250m EU subsidiary and a €50m EU branch is caught on the subsidiary; a group with a €50m subsidiary and a €250m branch is caught on the branch; and a group with a €250m subsidiary and a €250m branch is caught on the subsidiary, with the branch limb never reached. Every summary that writes this as “a subsidiary or branch over €200m” gets the right answer for the wrong reason most of the time, and the checker below is built on the rule rather than on the summary.

03 · Work it out

Are you caught by Article 40a?

Four questions, evaluated against the two limbs as the Directive writes them. It tells you which limb decided the answer, which is the part that matters if you are anywhere near the line.

ESRS-40a scope check Article 40a, Accounting Directive as amended by Omnibus I
SOURCE: threshold figures and both limbs from the EFRAG project page [2], which states the criteria in full; the foothold-limb change from Directive (EU) 2026/470 (Omnibus I) [11]. Reporting level, the full-ESRS exemption and the assurance requirement from the Log of Amendments, new paragraphs 4, 11, 13 and 27 [6].

Nothing about this instrument is a lookup table. It evaluates the two limbs, applies the branch fallback in the order the Directive applies it, and short-circuits the questions that the rule makes irrelevant — if limb 1 has definitively failed it does not ask about your EU foothold, because limb 2 is only ever reached once limb 1 is passed.

It also has an honest fourth answer. If you do not know your EU-generated net turnover, it says so rather than guessing, because that figure is the whole of limb 1 and no useful answer exists without it.

ESRS 40a thresholds — an Only Leave Your Footprints sign, and the pre-Omnibus EUR 150m and EUR 40m figures still in circulation Photo: Unsplash / Nick Fewings
04 · A correction

If you have read €150m anywhere, it is pre-Omnibus

Roughly half the pages currently ranking for this subject still publish the old pair. They are not wrong about what the law used to say.

This is the single most common factual error in circulation about ESRS 40a, and it is an easy one to make, because the pages carrying it were correct when they were written and have not been revisited since.

Superseded → current

Before Omnibus I, Article 40a reached a non-EU parent with €150 million of EU net turnover, and its foothold limb was a qualitative “large subsidiary” test or an EU branch above €40 million. Omnibus I replaced both with a single €200 million figure, and raised the turnover limb.

Pre-Omnibus — do not use
€150m / €40m
The position until Directive (EU) 2026/470 came into force on 18 March 2026. Still printed by several Big-4 and law-firm pages, some of them updated as recently as December 2025.
Current, as at 19 August 2026
€450m / €200m
€450m of EU-generated net turnover in each of the last two consecutive financial years, plus an EU subsidiary or — failing that — branch above €200m in the preceding year.

The direction of travel is what makes this worth checking rather than assuming: both thresholds went up. A group that was told in 2024 that it was comfortably in scope may now be outside it, and a gap analysis commissioned on the old numbers is measuring against a line that has moved.

SOURCE: current figures from the EFRAG project page [2]; the change from Directive (EU) 2026/470 [11], published in the Official Journal 26 February 2026 and in force 18 March 2026.

A second number that travels with the wrong label

You will also see “more than 60 per cent” and “over 70 per cent” attached to ESRS-40a as a measure of how much lighter it is. Those figures are real, and they are not about ESRS-40a.

They describe the revised ESRS the Commission adopted on 3 July 2026, measured against ESRS Set 1 of 2023: mandatory datapoints cut by 61%, from roughly 1,144 to about 500, and total datapoints cut by more than 70% [14]. That is the baseline ESRS-40a is built on, not a further reduction on top of it.

EFRAG has not published an ESRS-40a datapoint count. Its own announcement says the list of datapoints “will be published in due course” [1]. Any ESRS-40a-specific figure currently in circulation is therefore unsourced, and this page does not print one.

ESRS-40a twelve standards — a glasshouse biodome frame, the same architecture as ESRS rather than a shortened list Photo: Unsplash / Paula Prekopova
05 · The architecture

Twelve standards, the same shape as ESRS

This is the fact most often got wrong in the other direction. ESRS-40a is not a short-form standard with a reduced topic list.

EFRAG’s markup of ESRS-40a against the revised ESRS confirms the full set, each carrying the ESRS-40a prefix [5].

StandardPillarWhat it covers
ESRS-40a 1Cross-cuttingGeneral Requirements — how the report is structured and how the topical standards are applied
ESRS-40a 2Cross-cuttingGeneral Disclosures — governance, strategy, management of impacts, metrics and targets
E1EnvironmentClimate Change — global on every route
E2EnvironmentPollution
E3EnvironmentWater
E4EnvironmentBiodiversity and Ecosystems
E5EnvironmentResource Use and Circular Economy
S1SocialOwn Workforce
S2SocialWorkers in the Value Chain
S3SocialAffected Communities
S4SocialConsumers and End-users
G1GovernanceBusiness Conduct
SOURCE: ESRS-40a markup against the ESRS of 3 July 2026, EFRAG, July 2026 [5]. Twelve standards — the same architecture as the ESRS, not a reduced topic list.

So the simplification is not in the topic list. Every environmental, social and governance topic that an EU-established CSRD reporter addresses is addressed here too. What changed is the basis on which those twelve are applied, and there are exactly two changes that matter: the materiality axis and the reporting scope. Everything else is consequence.

EU Taxonomy sits outside

Paragraph 106 of the draft addresses EU Taxonomy disclosures under Regulation 2020/852. An undertaking that makes them “may do so in a separate appendix”, and such disclosures “are not subject to the provisions of ESRS” [5].

That is a meaningful difference from the position of an EU-established reporter, for whom Taxonomy reporting is part of the management report obligation rather than an optional annex. It is also one of the things a group gives up by choosing route 3.

ESRS-40a impact materiality only — a single leaf held in an open hand, one axis where the ESRS have two Photo: Unsplash / @name_ gravity
06 · The materiality axis

Impact materiality only — and everything else follows from it

Double materiality is out. It is not softened, phased or made optional: the financial materiality assessment was deleted from the draft.

EFRAG’s Log of Amendments records the deletion of section 3.2.2, paragraphs 45–50 — the financial materiality assessment — on the stated basis that ESRS-40a focuses on impacts only, not risks and opportunities [6].

References to “double materiality” are replaced with “impact materiality” at paragraph 35, renumbered 48. The standing requirement to disclose “material impacts, risks and opportunities” is revised to strike the risks and the opportunities [6].

What went with it

Three deletions travel together, and the third is the one that surprises people.

Risks and opportunities
The whole financial-materiality limb. An undertaking assesses its impacts on people and the environment, and is not asked to assess how sustainability matters affect its own prospects.
Dependencies
The dependency assessment, former paragraph 49, is removed, and references to “dependencies on natural, human and social resources” are eliminated throughout [6]. Dependencies are conceptually upstream of financial risk, so they went with it.
The word “statement”
Throughout the draft, “sustainability statement” becomes “sustainability report” [6]. A cosmetic change on its face, and a real one in filing terms: an EU reporter’s sustainability statement sits inside the management report, and a third-country group’s report does not.

The one thing that survives

New AR 20 clarifies that an undertaking may still report on impacts that generate risks and opportunities while the standard’s focus stays impact-only [6]. Voluntary financial-materiality disclosure is not prohibited. It is simply not required.

Why this is not the simplification it looks like

Impact materiality is not a lighter version of double materiality. It is one of the two axes, and it is the axis a UK group building UK SRS or IFRS S2 capability is not already working on. The ISSB baseline is single, financial materiality — UK SRS S1 ¶18 asks whether information could reasonably be expected to influence the decisions of primary users of general purpose financial reports, and ¶3 frames the effect as the entity’s cash flows, access to finance or cost of capital. That is precisely the axis ESRS-40a deleted. A group that has done all the work UK SRS asks for has done none of the assessment ESRS-40a asks for. See chapter 13.

ESRS-40a mixed approach — a tree crossing corporate concrete, non-climate impacts that may stop at the EU border Photo: Unsplash / Alexander Abero
07 · Reporting scope

Climate is global. Everything else may stop at the EU border.

The most consequential option in the draft, and the one its own authors told the Commission they would not have proposed.

New section 1.3, “Reporting Scope” — paragraphs 27–31 with AR 6–7 — lets an undertaking limit non-climate impacts to EU-related impacts, defined as impacts arising from “products and services sold or provided in EU market” plus “European Union activities”, together with the related value chain [6].

Climate is the stated exception and stays global.

The option is granular rather than all-or-nothing. It may be applied “to all impacts related to [a] specific topic”, to specific sub-topics, or to a defined “group of impacts” [6].

Mixed-approach check ESRS-40a exposure draft, new section 1.3, paragraphs 27–31 and AR 6–7
SOURCE: reporting-scope provisions and the AR 6 meaningfulness condition from the Log of Amendments [6]; the standard list and paragraph 96 from the markup against the 2026 ESRS [5].

The condition nobody prints

Every summary of ESRS-40a states that non-climate topics may be EU-limited. Almost none of them states the condition attached to it.

AR 6 requires the EU-related impacts to be meaningfully identifiable — by separate business segments, EU-designed products, or dedicated value chains [6]. That is a real constraint, and it bites hardest on exactly the groups most likely to want the relief. A manufacturer whose EU-market goods come off the same lines, from the same suppliers, as everything else it makes may not be able to draw the line at all.

And where scope is limited, paragraph 96 requires the undertaking to disclose “the actions it has taken to increase the coverage and quality of reported information in future periods” [5]. Limiting scope is a disclosure with an improvement obligation attached, not a silence.

Why climate is different

Climate is excepted for a reason that is easy to state and easy to underestimate: a greenhouse gas inventory does not have a border. Scope 1, 2 and 3 emissions are a property of the group, and a figure computed on the EU slice of a global business is not a smaller version of the group figure — it is a different quantity that answers a different question.

The practical consequence for a UK group is the most useful single fact in this chapter: the climate data you assemble for ESRS-40a E1 is group-wide, which is also what UK SRS S2 and IFRS S2 require. That is the one place where the two regimes genuinely overlap, and it is worth building once.

ESRS 40a reporting routes — hands cupping a fern frond, the three ways a third-country group may satisfy Article 40a Photo: Unsplash / Noah Buscher
08 · The choice

Three ways to satisfy Article 40a

And the one everybody calls the heavy option can be the lighter one across a group. That is not a paradox; it is an exemption nobody models.

A group in scope has three routes [2] [6]. Two of them are ESRS-40a with different reporting scopes. The third is not ESRS-40a at all.

New paragraph 4 of the draft provides the exemption that makes route 3 possible: a group is out of ESRS-40a where the parent prepares a report under full ESRS or an equivalent [6].

Route 1 — ESRS-40a, global
The twelve ESRS-40a standards across the whole consolidated group, on impact materiality only. The most complete picture of the group, and the heaviest on assessment effort.
Route 2 — ESRS-40a with the mixed approach
As route 1, but non-climate topics limited to EU-related impacts under paragraphs 27–31, subject to the AR 6 meaningfulness condition. Climate stays global. The least settled option in the draft — see chapter 09.
Route 3 — full ESRS, voluntarily
Apply the revised ESRS instead and rely on the paragraph 4 exemption. Double materiality is back, EU Taxonomy is back, and so is the Article 19a/29a subsidiary exemption — which is the whole of the argument for it.
Route trade-off ED new para 4 · Arts 19a/29a
SOURCE: the full-ESRS exemption at new paragraph 4 and the mixed-approach provisions at paragraphs 27–31 from the Log of Amendments [6]; the subsidiary exemptions from Articles 19a and 29a of the consolidated Accounting Directive [12].

Why route 3 is arguable, and when it is not

The SERP is close to unanimous that ESRS-40a is the light option and full ESRS is the heavy one. That is true of the single report, and it can be false of the group.

Where a third-country parent applies full ESRS, EU subsidiaries that would otherwise carry their own reporting obligations under Articles 19a or 29a can be exempted. A group with two or three in-scope EU subsidiaries is therefore choosing between one larger parent report and a lighter parent report plus two or three subsidiary reports. Counted that way the arithmetic can invert, and the only honest answer is that it depends on a number the reader has and this page does not.

It flips back where there are no in-scope EU subsidiaries. Then the exemption buys nothing, and route 3 is a straight addition of work: double materiality, EU Taxonomy, and the full ESRS apparatus, in exchange for no relief at all.

Every page on this subject models the choice as one report against another. The variable that actually decides it is how many EU subsidiaries would otherwise report in their own right — and that is a question about your group structure, not about the standard.

A UK-specific complication in route 1

There is one more consideration that applies to a UK group and to very few others, and it cuts against the assumption that route 1 is the cheap one.

What ESRS-40a removes relative to the revised ESRS is the financial-risk side: climate-related risk identification and scenario analysis, resilience, and anticipated financial effects. Those are, almost exactly, the disclosures that IFRS S2 and UK SRS S2 require. A UK parent that is already building UK SRS capability is performing that analysis regardless of what the EU asks for.

So for that group the “simplification” deletes a disclosure it has already done the work for, while adding an impact assessment across eleven other topics that it has done none of. The saving is real but it is smaller than it looks, and it lands in a different place than the headline suggests. This is an argument rather than a fact, and it is one a group should test against its own position rather than accept from a web page.

ESRS-40a contested — demonstrators with a There Is No Planet B placard, and EFRAG's own board writing against the mixed approach Photo: Unsplash / Li-An Lim
09 · The part that may not survive

EFRAG’s own board wrote to the Commission against the mixed approach

Seven concerns, in writing, on the record, a fortnight before the draft was published. Almost every other account of this consultation paraphrases that letter, and the paraphrases soften it.

On 6 July 2026, Prof. Dr. Kerstin Lopatta, Chair of the EFRAG Sustainability Reporting Board, wrote to the European Commission. The Board had approved the exposure draft for public consultation. It also recorded significant reservations about the mixed approach — EU-related reporting as the default, global reporting optional [7].

The seven concerns, as stated:

#The concern, as stated by the SRB Chair
01“it does not support a level playing field between EU companies and their international peers”
02“its legal basis is unclear, as the Level 1 regulation refers only to global reporting”
03“using different reporting scopes for different topics within the same report may impair understandability”
04Risk of information loss and “greenwashing, in particular as regards human rights impacts and environmental impacts”
05Incompatibility with CSDDD requirements
06Uncertain feasibility of separating EU-related impacts
07“it entails significant limitations for external assurance”

And the sentence that carries the whole chapter. The Chair states that the Board is proceeding to consult on the mixed approach “because, and only because, this reflects the Commission’s request”.

What a reader should take from it

Not that the mixed approach will be dropped — nobody knows that, and the Commission asked for it. Three narrower things.

This is the part of the draft most likely to change
A provision that the drafting body has publicly disclaimed, two of whose stated problems are legal basis and assurability, is not a stable planning assumption. A group building a reporting architecture on route 2 is building on the least settled part of an unadopted draft.
Concern 07 is the operational one
“Significant limitations for external assurance” matters because assurance is required — new paragraph 11, per Article 40a(3). If the scope boundary cannot be assured, the relief it offers is worth less than it looks.
It is a reason to respond
EFRAG is consulting on precisely this. An affected group has standing to answer, and the body running the consultation has said in advance that it shares the doubts. Chapter 14 sets out how.
ESRS 40a timeline — offshore wind turbines, from the 23 July 2026 exposure draft to first reports in 2029 Photo: Unsplash / Nicholas Doherty
10 · The dates

From exposure draft to first report — and which dates are law

Two of these are law. One is EFRAG’s own commitment. The rest are drafting, and one date that appears everywhere is committed by nobody.

2024 – early 2025Happened
N-ESRS technical development completed
EFRAG finishes the first exposure draft under the N-ESRS name, then pauses the work while the Omnibus simplification negotiations run [2].
26 Feb 2026Law
Omnibus I published in the Official Journal; in force 18 March 2026
Directive (EU) 2026/470. This is the instrument that set the €450m group limb and set the foothold limb at €200m, replacing a €40m branch threshold and a qualitative “large subsidiary” test. It is the only part of the Article 40a picture that is settled law today [11].
3 Jul 2026Adopted
Commission adopts the revised ESRS
The baseline ESRS-40a is built on and marked up against. Adopted, and in the Parliament and Council scrutiny period — describe it as “adopted, subject to scrutiny”, not “in force” [13].
6 Jul 2026Happened
EFRAG SRB Chair writes to the Commission
Seven recorded concerns about the mixed approach, and the statement that the Board consults on it “because, and only because, this reflects the Commission’s request”. Chapter 09 [7].
23 Jul 2026Happened
ESRS-40a exposure draft published; 100-day consultation opens
With a Basis for Conclusions, a markup against the 3 July ESRS, a Log of Amendments and an online questionnaire. The name changes from ESRS-TC to ESRS-40a on this date [1].
31 Oct 2026Fixed
Consultation closes
100 days from publication, by EFRAG’s own count. This is the last date on which an affected group can put anything on the record before the technical advice is written. Chapter 14.
Jan 2027Committed
EFRAG delivers technical advice to the Commission
EFRAG’s own commitment, stated on the consultation launch [1]. This is the point at which the shape of the final standard becomes visible.
2027Not committed
Commission adoption — expected, by commentators
No adoption date is committed by EFRAG or by the Commission. You will find “mid-2027” and “before 1 October 2027” in professional commentary; neither traces to an official statement, and they disagree with each other. This page does not print one.
FY from 1 Jan 2028Draft
First financial year in scope
Reporting would be required for financial years beginning on or after 1 January 2028 [2]. For a calendar-year group that is the year beginning 1 January 2028.
2029Draft
First reports published
First sustainability reports under Article 40a appear in 2029 [2]. That is roughly two and a half years from today to a first report, on a standard that is not adopted — which is less runway than it sounds once the impact assessment in chapter 06 is priced in.
How to read this timeline

One row is settled law: the thresholds, set by Omnibus I. One row is adopted and in scrutiny: the revised ESRS. Everything from 23 July 2026 downwards is a draft, and the 2027 adoption row is not even that — it is an expectation held by commentators and committed by nobody. A group planning against 2028 is planning against a real date on a standard whose content can still move.

12 · Mechanics

Who publishes a third-country report, who assures it, and what if the parent will not co-operate

The obligation and the subject of the report are two different entities. That is the structural oddity of Article 40a, and everything awkward about it follows.

The obligation attaches to the EU subsidiary or branch. The report covers the ultimate third-country parent undertaking or group [6].

EFRAG’s Log of Amendments makes this explicit twice over. New paragraph 27 specifies reporting at “ultimate third-country parent undertaking or group” level, and new paragraph 13 redefines “undertaking” throughout the standard to mean the parent or the group rather than the entity filing [6]. Every requirement in the twelve standards should be read that way.

The filer is not the subject
A UK parent’s Dutch or Irish subsidiary carries a duty to publish information about a group it does not control and cannot compel. That is an unusual position for a director to be in, and it is the reason the draft carries an explicit unavailability provision.
Assurance is required
New paragraph 11 requires an assurance opinion, per Article 40a(3) [6]. This is also where the SRB Chair’s seventh concern lands: a scope boundary drawn under the mixed approach has to be assurable, and the Board doubts that it is.
Unavailable information has a route
New paragraph 12 addresses disclosure where information is not available [6], and paragraph 96 requires disclosure of “the actions it has taken to increase the coverage and quality of reported information in future periods” [5]. The answer to an uncooperative parent is to report the gap and the plan, not to stay silent.

Where this bites in practice

The uncomfortable case is not a UK parent that refuses to co-operate. It is one that cannot produce the data on the timetable the EU entity is held to, which is a far commoner situation.

The practical planning point for a UK group is therefore about internal sequencing rather than external obligation: the entity that must publish is downstream of you, and its deadline is not one you can negotiate with. Whatever the group decides about routes, the data pipeline has to terminate at the EU entity in time for it to file.

Reports are published within twelve months of the financial year end, so a calendar-year group preparing for FY2028 is publishing in 2029 — the two-and-a-half-year runway in chapter 10 is a runway to a first report, and the assessment work sits well before it.

11 · The clock nobody mentions

The statutory deadline for this standard has already passed — twice

Article 40b of the Accounting Directive told the Commission when to adopt this standard. Both dates are behind us, and what exists today is a draft.

Article 40b of the Accounting Directive sets the date by which the Commission is to adopt, by delegated act, the sustainability reporting standards for certain third-country undertakings. The original date was 30 June 2024 [16].

It was not met. On 29 April 2024, two months before it fell due, the Parliament and Council adopted Directive (EU) 2024/1306, whose operative wording on this point is a single line: “in Article 40b, the date ‘30 June 2024’ is replaced by ‘30 June 2026’” [17]. A two-year postponement, granted in advance.

That second date has also passed. 30 June 2026 came and went; EFRAG published the exposure draft on 23 July 2026, three weeks after the statutory deadline for adoption, and adoption itself is now expected some time in 2027 — on no committed date, by anyone.

Why it slipped, in EFRAG’s own chronology
The technical work was finished in 2024 and then paused during the Omnibus simplification negotiations, resuming only after the revised ESRS were delivered in July 2026 [2]. The delay is not drafting failure; it is that the baseline this standard is built on was itself being rewritten.
What it does not mean
It does not mean the obligation goes away, and it does not create a right to wait. The FY2028 application date has not moved even as the adoption date has slipped twice — so every month of delay is a month taken out of the preparation window, not added to it.
What it does mean for planning
A standard that has already been postponed once, in law, by a two-year amendment, and has then missed the postponed date, is a standard whose content is genuinely open — which is the practical argument for responding to the consultation rather than waiting to be told.
The asymmetry worth noticing

When the adoption deadline moved in 2024, it moved by amending the Directive. The reporting date did not move with it. First financial year in scope is still one beginning on or after 1 January 2028, first reports still 2029 — the same dates that were set when the standard was due to be adopted in June 2024. Two years of adoption slippage have been absorbed entirely by the people who will have to report.

ESRS-40a for UK parent groups — a walker open-armed in an open field, a third-country parent caught on EU turnover alone Photo: Unsplash / Quokkabottles
13 · The UK position

What ESRS 40a means for a UK parent group

The UK left the EU. Article 40a does not care, and that is precisely the point of it.

A UK parent is a third-country parent for the purposes of Article 40a. The test is turnover generated in the European Union, not establishment in it, so a UK group with no EU headquarters, no EU listing and no intention of acquiring either can be pulled into EU sustainability reporting on the strength of its sales.

Turnover is the whole trigger
No employee test, no establishment test, no listing test. Two consecutive years above €450m of EU-generated turnover, plus a €200m EU foothold, and the standard reaches you. See chapter 02.
You will probably face UK SRS as well
A group of that size is squarely in the population the FCA’s CP26/5 proposals and the wider UK SRS scope debate are aimed at. Two regimes, on different materiality axes. See chapter 13.
And SECR and ESOS do not go away
A UK group at this scale is already inside SECR for its energy and carbon reporting. Article 40a adds a third reporting perimeter on top of two domestic ones, on a fourth timetable.
The value-chain question runs the other way too
Even a UK group well below the Article 40a thresholds can receive data requests from EU customers that are in CSRD scope. That is a different mechanism, with its own cap. See UK ESG reporting requirements.

How many UK groups are caught?

Nobody has published a credible figure, and this page will not invent one.

EFRAG has estimated that around 1,200 non-EU companies in total would be caught by this category. That is an estimate, it is for non-EU companies worldwide, and it is not a UK number. Pre-Omnibus figures for UK-headquartered groups circulated in 2023 and 2024 and are almost certainly large overstatements now, because both thresholds went up.

As at 19 August 2026 there is no published post-Omnibus count of UK groups in Article 40a scope. The only reliable answer available to a specific group is the two-limb test run on its own figures — which is what chapter 03 is for.

The thing worth doing this quarter, whatever else you do

Establish your EU-generated net turnover for the last two financial years. It is not a number most consolidated accounts present, it is the whole of limb 1, and until it exists every other question about ESRS-40a is unanswerable. It is also cheap: it is a slice of data you already hold, not an assessment you have to build.

ESRS 40a against UK SRS — turbines at dawn over UK farmland, impact materiality set beside the ISSB financial-materiality baseline Photo: Unsplash / Zac Wolff
14 · Two regimes

ESRS-40a against UK SRS and the ISSB baseline

Not two strengths of the same test. Two different axes, and a group facing both is running two assessments rather than one.

UK SRS S1 and S2 are built on the ISSB baseline and use single, financial materiality — the test in UK SRS S1 ¶18 is whether information could reasonably be expected to influence the decisions of primary users of general purpose financial reports, and ¶3 frames the effect as the entity’s cash flows, access to finance or cost of capital. The phrase “enterprise value” appears nowhere in either Standard [15].

ESRS-40a uses impact materiality only — and impact materiality is exactly the axis the ISSB baseline does not have. The revised ESRS, for EU-established reporters, use both.

DimensionUK SRS S1 / S2ESRS-40aRevised ESRS
Materiality basisSingle — financialImpact onlyDouble
Risks and opportunitiesCoreRemovedRetained
DependenciesAddressedRemovedAddressed
Climate scopeGlobalGlobal — excepted from the mixed approachGlobal
Non-climate scopeS1 general, S2 climateMay be limited to EU-related impactsGlobal
Topic coverageTwo standardsTwelve standardsTwelve standards
EU TaxonomyNot applicableOptional, separate appendix (para 106)Required in scope
AssurancePer the FCA’s proposals, unmadeRequired — new para 11Required
Status, 19 Aug 2026Published, voluntaryExposure draftAdopted, in scrutiny
SOURCE: UK SRS materiality basis and status from GOV.UK [15]; ESRS-40a rows from the Log of Amendments [6] and the markup against the 2026 ESRS [5]; revised ESRS from the Commission adoption announcement [13].

What actually transfers, and what does not

The climate data transfers
Both regimes are global on climate. A group-wide GHG inventory built to the GHG Protocol for UK SRS S2 is the same inventory ESRS-40a E1 needs. This is the one real saving, and it is a large one.
The risk analysis does not, in the direction you expect
UK SRS S2 requires climate risk identification, scenario analysis and resilience. ESRS-40a deleted its equivalents. You do the work for the UK and then have nowhere to put it in the EU report — which is a reason to read the “simplification” carefully rather than gratefully.
The impact assessment has no UK counterpart at all
Eleven topical standards, assessed on impacts on people and the environment, across the group or the EU perimeter. There is nothing in UK SRS S1 or S2 that produces this. It is net new work, and it is the largest single item a group in Article 40a scope has to plan for.
Governance and process partly transfer
The four-pillar architecture — governance, strategy, management, metrics and targets — is common ground, and so is much of the internal control and data-assurance work. The container transfers even where the content does not.

For a fuller side-by-side of the two frameworks in general, rather than the Article 40a variant specifically, see ESRS vs UK SRS and CSRD vs UK SRS. For the assessment ESRS-40a asks for, see double materiality assessment — noting that ESRS-40a uses only the impact half of it.

Respond to the ESRS-40a consultation — hands holding a seedling, EFRAG's questionnaire open to 31 October 2026 Photo: Unsplash / Nikola Jovanovic
15 · The window

How to respond, and what EFRAG is actually asking

Every page on this subject says “prepare”. Almost none of them says what the questions are or who has standing to answer them.

Consultation window
The consultation ran for 100 days and closed on 31 October 2026

EFRAG opened it on 23 July 2026 and closed it on 31 October 2026. Responses feed the technical advice EFRAG delivers to the European Commission in January 2027; adoption would follow, on a date nobody has committed to.

The consultation documents remain the best available account of what the standard does and why: the Log of Amendments is the shortest useful read, the markup against the 3 July 2026 ESRS is the drafting, and the SRB Chair’s letter of 6 July 2026 is where EFRAG records its own doubts (chapter 09). All three are linked in the sources below.

What EFRAG put in issue is listed below, and it remains the map of where this standard is most likely to have moved between the draft and whatever is adopted.

The four things EFRAG put in issue

EFRAG identified four aspects of the draft as the focus of the consultation. They are worth knowing whether or not you respond, because they are a public statement of where the standard is least settled.

#What EFRAG is consulting on
01The removal of disclosures related to risks and opportunities — the impact-only materiality basis. Chapter 06.
02The proposed “mixed approach” to reporting EU-related impacts. Chapter 07, and the seven objections in chapter 09.
03Interoperability with ISSB-based reporting — the question a UK group building UK SRS or IFRS S2 has the most direct standing to answer. Chapter 13.
04The use of concepts derived from EU laws and regulations in a global reporting context — whether EU-law definitions travel to a group with no EU establishment.
SOURCE: EFRAG’s stated consultation focus areas, published with the exposure draft launch, 23 July 2026 [1].
Where a UK group has the strongest standing

Question 03. A UK parent preparing UK SRS or IFRS S2 disclosures and facing Article 40a is the exact population interoperability is meant to serve, and is in a position to say concretely what does and does not transfer. That is evidence rather than opinion, and consultations respond to evidence. Chapter 13 sets out where the two regimes meet and where they do not.

The record

What on this page could change, and when

Dated negatives, stated rather than left for you to discover. Everything below was true on 19 August 2026 and is checkable.

ESRS-40a is not law
It is an exposure draft out for consultation until 31 October 2026. It is not adopted, not in force, and no group is required to do anything under it today.
There is no ESRS-40a datapoint count
EFRAG says the list of datapoints “will be published in due course” [1]. Any ESRS-40a-specific figure you find elsewhere is unsourced. When the list lands, this page changes.
No Commission adoption date is committed
EFRAG commits to technical advice in January 2027 and nothing beyond it. “Mid-2027” and “before 1 October 2027” both circulate; neither is official and they disagree.
No ESRS-40a cost-benefit analysis found
Not published on efrag.org as at 19 August 2026. Trade press reported one due in mid-August. If it lands before the consultation closes it will be the first material new evidence since 23 July.
No UK-specific scope count exists
EFRAG’s ~1,200 is for non-EU companies worldwide. No post-Omnibus UK figure is published by anyone, and this page will not estimate one.
The revised ESRS are still in scrutiny
The 3 July 2026 Delegated Acts sit in the Parliament and Council scrutiny period with Official Journal publication expected in Q4 2026. They are adopted, subject to scrutiny — not in force.
The mixed approach may not survive
Seven recorded objections from the drafting body itself (chapter 09), two of them about legal basis and assurability. If any part of this draft moves before adoption, this is the part.
Two reliefs we could not verify
Two law firms report a two-year omission for four topics and a three-year value-chain grace. Neither appears in the markup document, and EFRAG’s Exposure Draft PDF could not be opened by our tools on 19 August 2026. This page does not assert them. If they are real, they are significant.
Questions

ESRS-40a — frequently asked questions

The first eight are carried verbatim from the previous build of this page. The rest are questions the primary documents answer and nobody else has written down.

What is ESRS-40a?

ESRS-40a is the draft set of European Sustainability Reporting Standards for certain non-EU undertakings — groups headquartered outside the EU that sell into it at scale. EFRAG published the exposure draft on 23 July 2026 and the consultation closes 31 October 2026. Its formal title is “European Sustainability Reporting Standards for certain non-EU undertakings (ESRS-40a)”, and the “40a” is Article 40a of the Accounting Directive, the provision it serves. It is an exposure draft: it is not adopted, not in force and not law.

Is ESRS-40a the same as ESRS-TC or N-ESRS?

Yes — one standard, three names. EFRAG’s own launch announcement records that it was “previously called Non-EU ESRS (N-ESRS) or ESRS for third countries (ESRS-TC)”. N-ESRS was the 2024 working name, ESRS-TC was carried through the spring 2026 board papers, and ESRS-40a has been the name since 23 July 2026. Documents predating that date use the older names, and documents predating Omnibus I also use superseded thresholds — so a 2024 gap analysis is out of date on two counts, not one.

Which UK companies are caught by ESRS-40a?

A UK parent is a third-country parent for this purpose, and Article 40a reaches it where both limbs are met: net turnover generated in the European Union above €450 million in each of the last two consecutive financial years, and an EU subsidiary with net turnover above €200 million in the preceding year or, where there is no such subsidiary, an EU branch above that figure. There is no employee test at either limb — unlike the entity-level CSRD test, which requires both 1,000+ employees and €450m+ turnover. A lean, high-revenue UK group can be caught where a larger EU competitor is not.

Does ESRS-40a use double materiality?

No. ESRS-40a uses impact materiality only. EFRAG’s Log of Amendments records the deletion of the entire financial materiality assessment — section 3.2.2, paragraphs 45–50 — together with the dependency assessment, and replaces references to “double materiality” with “impact materiality”. Voluntary disclosure of financially material matters is still permitted under new AR 20; it is simply not required. Note that impact materiality is the axis the ISSB baseline does not use, so a group that has done all the work UK SRS asks for has done none of the assessment ESRS-40a asks for.

What is the mixed approach in ESRS-40a?

It is an option in new section 1.3 — paragraphs 27–31 with AR 6–7 — that lets an undertaking limit its reporting to EU-related impacts: impacts arising from products and services sold or provided in the EU market, plus EU activities and the related value chain. Climate is the stated exception and remains global. The option is granular, and it is conditional: AR 6 requires the EU-related impacts to be meaningfully identifiable, by separate business segments, EU-designed products or dedicated value chains. It is also the most contested provision in the draft — EFRAG’s own Sustainability Reporting Board wrote to the Commission recording seven concerns about it.

Can a UK parent report under full ESRS instead of ESRS-40a?

Yes. New paragraph 4 of the draft exempts a group from ESRS-40a where the parent prepares a report under full ESRS or an equivalent. It is not obviously the heavier choice at group level: where a third-country parent applies full ESRS, EU subsidiaries that would otherwise report in their own right under Articles 19a or 29a can be exempted. A group with two or more in-scope EU subsidiaries is choosing between one larger parent report and a lighter parent report plus several subsidiary reports, and the arithmetic can invert. Where no EU subsidiary carries its own obligation, the exemption buys nothing and full ESRS is a straight addition of work.

How does ESRS-40a interact with UK SRS?

They sit on different materiality axes. UK SRS S1 and S2 are ISSB-based and use single, financial materiality — UK SRS S1 ¶18 asks whether information could reasonably be expected to influence the decisions of primary users of general purpose financial reports, and ¶3 frames the effect as cash flows, access to finance or cost of capital, not “enterprise value”. ESRS-40a uses impact materiality only. Three practical consequences. The climate data transfers — both are global on climate, so a group-wide GHG inventory serves both. The climate risk and resilience analysis does not — UK SRS S2 requires it and ESRS-40a deleted its equivalents, so the work has nowhere to land in the EU report. And the impact assessment across the other eleven topical standards has no UK SRS counterpart at all, which makes it net new work and the largest single planning item for a group facing both.

Who publishes the ESRS-40a report, and what if the parent will not co-operate?

The obligation attaches to the EU subsidiary or branch, but the report covers the ultimate third-country parent undertaking or group — new paragraphs 13 and 27 of the draft. An assurance opinion is required, per Article 40a(3) and new paragraph 11. Where information is not available, new paragraph 12 provides a route, and paragraph 96 requires the undertaking to disclose “the actions it has taken to increase the coverage and quality of reported information in future periods”. In short: report the gap and the plan to close it, rather than staying silent. The commoner problem in practice is not refusal but timing — the EU entity’s filing deadline is not one the parent can negotiate.

Is ESRS-40a in force?

No. As at 19 August 2026 it is an exposure draft out for public consultation until 31 October 2026. EFRAG delivers technical advice to the European Commission in January 2027, and adoption would follow after that. No adoption date has been committed by EFRAG or by the Commission. You will find “mid-2027” and “before 1 October 2027” in professional commentary; neither traces to an official statement and they disagree with each other.

When would the first ESRS-40a report be due?

On the draft, reporting would apply for financial years beginning on or after 1 January 2028, with the first reports published in 2029. Reports are published within twelve months of the financial year end, so a calendar-year group in scope would prepare for the year beginning 1 January 2028 and publish in 2029. That is around two and a half years from now — but the impact assessment across eleven topical standards sits well before the reporting date, so the useful runway is shorter than the headline.

What are the ESRS-40a thresholds? Is it €150m or €450m?

€450 million and €200 million. The €150m / €40m pair is the pre-Omnibus position and was superseded when Directive (EU) 2026/470 came into force on 18 March 2026. It is still published by a number of Big-4 and law-firm pages, some updated as recently as December 2025, because they were correct when written and have not been revisited. Note the direction of travel: both thresholds went up, so a group told in 2024 that it was comfortably in scope may now be outside it.

How many datapoints does ESRS-40a have?

Nobody knows yet, and any figure in circulation is unsourced. EFRAG’s own announcement says “the List of datapoints included in ESRS-40a will be published in due course”. The “more than 60 per cent” and “over 70 per cent” reductions you will see attached to ESRS-40a describe something else: the revised ESRS adopted on 3 July 2026, measured against ESRS Set 1 of 2023 — mandatory datapoints cut 61%, from roughly 1,144 to about 500. That revised set is the baseline ESRS-40a is built on, not a further cut on top of it.

How many standards are in ESRS-40a?

Twelve, the same architecture as the ESRS: two cross-cutting standards (ESRS-40a 1 General Requirements and ESRS-40a 2 General Disclosures), five environmental (E1 Climate Change, E2 Pollution, E3 Water, E4 Biodiversity and Ecosystems, E5 Resource Use and Circular Economy), four social (S1 Own Workforce, S2 Workers in the Value Chain, S3 Affected Communities, S4 Consumers and End-users) and one governance (G1 Business Conduct). The simplification is not in the topic list — it is in the materiality basis and the reporting scope.

Does ESRS-40a require EU Taxonomy reporting?

No. Paragraph 106 of the draft provides that an undertaking making EU Taxonomy disclosures under Regulation 2020/852 “may do so in a separate appendix”, and that such disclosures “are not subject to the provisions of ESRS”. That is a real difference from the position of an EU-established reporter, for whom Taxonomy reporting forms part of the management report obligation. It is also one of the things a group takes back on if it elects to report under full ESRS instead.

Is there an employee threshold in the Article 40a test?

No, at either limb. This is the most consequential difference between Article 40a and the CSRD test most readers have already encountered. Omnibus I set entity-level CSRD scope for EU-established undertakings at both more than 1,000 employees and more than €450m of net turnover. Article 40a asks only about turnover — €450m generated in the EU across two consecutive years, plus a €200m EU foothold. The two tests are not calibrated against each other.

What counts as “net turnover generated in the Union”?

It is turnover generated in the EU — not group turnover, and not the turnover of your EU-established entities. It is also a figure most consolidated accounts do not present: regional segments are usually drawn as “EMEA” or “Europe”, neither of which is the Union. Establishing it is the first piece of work Article 40a creates, and it is work you have to do before you know whether the standard applies to you at all. It is worth doing this quarter regardless, because it is a slice of data you already hold rather than an assessment you have to build.

Is the EU branch test an alternative to the subsidiary test?

No — it is a fallback. Article 40a reaches an EU branch above €200 million only “where there is no such subsidiary”. So a group with a €250m EU subsidiary and a €50m branch is caught on the subsidiary; a group with a €50m subsidiary and a €250m branch is caught on the branch; and a group with both above the line is caught on the subsidiary, with the branch limb never reached. Most summaries write this as “a subsidiary or branch above €200m”, which gets the right answer for the wrong reason most of the time.

Does the two-year test look forwards or backwards?

Backwards, at the two financial years just closed, and it re-runs every year. You do not cross this threshold once and stay across it: a group that dips below €450m of EU turnover for a single year has broken the consecutive run. Equally, you can cross into scope with no transaction, no restructuring and no board decision — two strong years of EU sales will do it. That makes the Article 40a test something to re-run annually as routine rather than answer once and file.

Does an ESRS-40a report exempt our EU subsidiaries from their own CSRD reporting?

The subsidiary exemptions under Articles 19a and 29a of the Accounting Directive are engaged where the parent reports under full ESRS, which is route 3. That is the mechanism that makes route 3 arguable for a group with several in-scope EU subsidiaries, and it is the variable no published comparison models. This is a question about your group structure rather than about the standard, and the honest answer for any specific group depends on how many EU subsidiaries would otherwise carry their own obligation — a number you have and this page does not.

Is assurance required on an ESRS-40a report?

Yes. New paragraph 11 of the draft requires an assurance opinion, per Article 40a(3). This is worth reading alongside the seventh of the EFRAG SRB Chair’s recorded concerns about the mixed approach — that it “entails significant limitations for external assurance”. If a scope boundary drawn under the mixed approach cannot be assured, the relief it offers is worth less in practice than it appears on paper. See our page on sustainability assurance.

How do I respond to the ESRS-40a consultation?

Through EFRAG’s online questionnaire, before 31 October 2026. EFRAG has put four things in issue: the removal of risk-and-opportunity disclosures, the mixed approach, interoperability with ISSB-based reporting, and the use of EU-law concepts in a global reporting context. A UK group already preparing UK SRS or IFRS S2 disclosures has the strongest standing on interoperability, because it can say concretely what transfers and what does not — which is evidence rather than opinion. Read the Log of Amendments before the Exposure Draft; it is far shorter and it tells you exactly what changed.

Could the ESRS-40a proposals still change?

Materially, yes — and one provision more than the rest. On 6 July 2026 the Chair of EFRAG’s own Sustainability Reporting Board wrote to the European Commission recording seven concerns about the mixed approach, including that its “legal basis is unclear” and that it “entails significant limitations for external assurance”, and stating that the Board is consulting on it “because, and only because, this reflects the Commission’s request”. A provision the drafting body has publicly disclaimed is not a stable planning assumption.

Primary sources

ESRS-40a — every figure on this page, and where it comes from

Seventeen sources, every one primary. No Big-4 or law-firm link appears on this page, and no fact on it rests on one. Where a document could not be opened on 19 August 2026 that is stated in the entry rather than left for you to find out.

  1. EFRAG Launches Public Consultation on the ESRS-40a Exposure Draft for Certain Non-EU Undertakings — EFRAG, 23 July 2026. The naming history, the 100-day count, the January 2027 technical advice date, and the statement that the datapoint list is not yet published. Read 19 August 2026
  2. ESRS for Certain Non-EU Undertakings in Accordance with Article 40a of the Accounting Directive — exposure draft consultation — EFRAG project page. Both limbs of the scope test with figures, the project chronology, and the document package. Read 19 August 2026
  3. ESRS-40a Exposure Draft (PDF) — EFRAG, 23 July 2026. Could not be extracted by our tools on 19 August 2026; the paragraph references on this page come from sources [5] and [6] instead, both of which are EFRAG documents describing this draft
  4. ESRS-40a Basis for Conclusions (PDF) — EFRAG, 23 July 2026. Could not be extracted on 19 August 2026. Two law firms report transitional reliefs that may sit here; this page does not assert them
  5. ESRS-40a markup against the ESRS of 3 July 2026 (PDF) — EFRAG, July 2026. The twelve standards, paragraph 96 on partial scope, paragraph 106 on EU Taxonomy. Read 19 August 2026
  6. Log of Amendments, ESRS-40a Exposure Draft (PDF) — EFRAG, July 2026. Every amendment against the revised ESRS: the deletion of section 3.2.2 paras 45–50, the mixed approach at paras 27–31 with AR 6–7, and new paras 4, 11, 12, 13 and 27. The single most useful document in the package, and the shortest. Read 19 August 2026
  7. Letter from the Chair of the EFRAG Sustainability Reporting Board to the European Commission (PDF) — Prof. Dr. Kerstin Lopatta, 6 July 2026. The seven concerns quoted in chapter 09, verbatim. Read 19 August 2026
  8. ESRS-40a public consultation questionnaire — EFRAG. The response form itself, open to 31 October 2026. Linked, not opened
  9. ESRS for Certain Non-EU Undertakings in Accordance with Article 40a of the Accounting Directive — EFRAG landing page for the whole workstream. Read 19 August 2026
  10. Webinars — ESRS for third-country undertakings — EFRAG. Recording and deck from the launch webinar of 22 July 2026. Landing page read; the deck itself was not re-read on 19 August 2026
  11. Directive (EU) 2026/470 (Omnibus I) — Official Journal, 26 February 2026; in force 18 March 2026. The instrument that set the €450m limb and raised the foothold limb from €40m to €200m. EUR-Lex returns no extractable text to this repo’s tools; the figures on this page are sourced to EFRAG’s own project page [2] and corroborated across four named law firms
  12. Accounting Directive 2013/34/EU, consolidated to 18 March 2026 — EUR-Lex. Articles 19a, 29a, 40a and 40b. Not extractable on 19 August 2026; see [11]
  13. Commission adopts revised sustainability reporting standards — European Commission (DG FISMA), 3 July 2026. The baseline ESRS-40a is built on and marked up against. See also our news note on the adoption of the revised ESRS
  14. Commission Delegated Regulation C(2026) 5010 final — explanatory memorandum (PDF) — European Commission. The 61% mandatory-datapoint reduction and the >70% total reduction, both against ESRS Set 1 of 2023 and not against ESRS-40a
  15. Legislative summary: amending Directive 2013/34/EU as regards the time limits for the adoption of sustainability reporting standards — European Parliament Legislative Observatory. Records the original Article 40b adoption date of 30 June 2024. Read 19 August 2026
  16. Directive (EU) 2024/1306 of 29 April 2024 — EUR-Lex. The two-year postponement: “in Article 40b, the date ‘30 June 2024’ is replaced by ‘30 June 2026’”. Read 19 August 2026
  17. Exposure drafts: UK Sustainability Reporting Standards — GOV.UK. UK SRS S1 and S2, published 25 February 2026 for voluntary use. The materiality basis discussed in chapter 13 is UK SRS S1 ¶¶3 and 18, in the Standard’s own words
On what we could not read

Sources [3], [4], [11] and [12] could not be opened by this site’s tools on 19 August 2026. Every paragraph reference on this page therefore comes from [5] the markup and [6] the Log of Amendments — both EFRAG primary documents describing the same draft — and the threshold figures come from [2] EFRAG’s own project page. One consequence is stated in the record: two reliefs reported by law firms may sit in the Basis for Conclusions, and this page does not assert them.

Where to go next

Related references

ESRS-40a is one standard in a stack. These are the pages that own the neighbouring questions.

ESRS 1, ESRS 2, the topical standards and the July 2026 revision — for undertakings established in the EU. The head term, not the 40a lane.
The two frameworks compared in general, rather than the Article 40a variant specifically.
Entity-level scope: which UK companies are pulled into CSRD through an EU subsidiary or listing.
The concept ESRS-40a keeps half of. Useful for understanding what impact materiality is on its own.
How the assessment is actually run — ESRS-40a needs the impact half of it, across eleven topical standards.
What the UK standards require, and the single financial materiality basis they use.
The domestic test, which is a different question from Article 40a and catches a different population.
The ISSB general standard UK SRS S1 is built on.
The climate standard whose risk and resilience disclosures ESRS-40a deleted.
The whole landscape in one place — ISSB, ESRS, UK SRS and the national regimes.
ESRS-40a requires an assurance opinion, and the SRB Chair doubts the mixed approach can be assured.
The UK energy and carbon regime a group of this size is already inside.
Everything a UK group faces domestically, and where value-chain data requests come from.
3 July 2026 — the adoption that created the baseline ESRS-40a is built on.
Before you go

You now know what ESRS 40a is, who Article 40a catches and what is still open. A UK group large enough to be caught by Article 40a is almost certainly inside the domestic regime too, and that is the test with the nearer deadline.

See whether UK SRS applies to you

Photography: Unsplash (free licence) — Zbynek Burival, Ricardo Gomez Angel, Nick Fewings, Paula Prekopova, @name_ gravity, Alexander Abero, Noah Buscher, Li-An Lim, Nicholas Doherty, Quokkabottles, Zac Wolff, Nikola Jovanović.

A reference on ESRS-40a and Article 40a of the Accounting Directive. Every figure cited to a named, dated primary source. Nothing here is advice. Privacy · Terms Spotted an error? hello@uksrs.org.uk
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