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Acra S2 Disclosure Standards Are Open for Consultation. The Data Underneath Them Isn't.

Date

11/08/2026

Category

General

On 27 July 2026, Singapore’s Accounting and Corporate Regulatory Authority opened public consultation on the country’s first proposed Acra S2 disclosure standards — a homegrown adaptation of the ISSB’s S1 and S2 framework that will, once finalised, become the mandatory backbone of climate reporting for every listed company on SGX. Three days later, a Business Times opinion piece cut straight through the announcement’s momentum: disclosure volume and decision-useful data are not the same thing, and most 100-page ISSB-aligned reports still bury the handful of numbers investors actually need.
Both stories are true, and they belong together. Singapore has just answered a genuinely hard question — what should companies disclose, and on what timeline. A harder question is still open: what sits underneath the disclosure, and can anyone actually trust it.
 

What’s Actually in the Draft Acra S2 Disclosure Standards

The draft, developed by an interim sustainability standards committee Acra convened in May 2025, mirrors the ISSB’s two-standard structure. S1 — general sustainability-related disclosures — is voluntary. S2 — climate-related disclosures — is mandatory, reflecting what Acra has been signalling for some time: Singapore’s approach to sustainability reporting is climate-first. To reduce the compliance burden of tracking two documents, the climate-relevant portions of S1 are reproduced as appendices to S2, so companies subject to mandatory reporting only need to work from one standard.
 
Two departures from the ISSB baseline are worth flagging for anyone building a compliance calendar around this consultation:
Scope 3 relief is extended, not temporary. The ISSB gives companies a one-year transition relief on value-chain (Scope 3) emissions reporting. Singapore’s draft goes further, extending that relief on an ongoing basis for companies not otherwise required to disclose Scope 3 — a pragmatic acknowledgment of where most companies’ data capability actually sits today.
There is no timing relief. The ISSB allows sustainability disclosures to trail financial statements. Singapore’s draft removes that option — sustainability disclosures must be published alongside financial statements, as is already the practice for SGX-listed issuers.
 
The draft also introduces an explicit compliance statement: companies claiming alignment with S2 must make an unreserved statement that they comply with it in full — not a qualified or partial one. As Acra CEO Chia-Tern Huey Min put it: “This gives clarity and certainty on the reporting requirements so that the industry can move ahead with confidence.”
 
None of this displaces the phased mandate already in force. STI constituents have reported under ISSB-aligned standards since FY2025. Non-STI companies with a market capitalisation above S$1 billion follow from FY2028, and those at or below S$1 billion from FY2030. Scope 3 remains voluntary for all listed companies except STI constituents — but Scope 1 and Scope 2 are mandatory for every listed company, regardless of tier, starting now.
 
That last point deserves more attention than it usually gets: the baseline requirement applies universally, and the consultation window running to 25 October 2026 is the moment to get ahead of the Acra S2 disclosure requirements, not just react to them.
 
One more addition matters as much as the standard itself: Acra will launch a guidebook on sustainability assurance, setting out the competencies required for assurance work, in partnership with the Skills and Workforce Development Agency and training providers. Singapore isn’t just defining what gets reported. It is starting to define who gets to verify it, and to what bar.
 

Why More Disclosure Doesn’t Mean Better Data

This is where the second Business Times article earns its place in the conversation. Many of Singapore’s largest listed companies already report under ISSB, having migrated from TCFD in prior cycles — and their reports often run past 100 pages of governance narrative, stakeholder engagement detail, and qualitative scenario analysis. That length signals effort. It does not signal usefulness.
 
Despite the volume, investors reading these reports still struggle to locate four specific numbers: the percentage of revenue tied to green business lines, the capex and opex earmarked for the low-carbon transition, the financial impact of climate risk on earnings and assets, and measurable progress against stated climate targets. Those four figures are what a credit committee, an investment committee, or a bank’s risk function actually needs to make a decision. Most reports, however comprehensive, don’t surface them cleanly.
 
None of this is a flaw in the Acra S2 disclosure standards themselves. The root cause isn’t reluctance. It’s that ISSB is principle-based rather than prescriptive on metrics — materiality genuinely varies by sector — and it still permits qualitative disclosure where reliable quantitative data isn’t available. That escape hatch exists because quantifying the financial impact of climate risk is, honestly, still an evolving discipline. Most companies don’t yet have the data, the methodology, or the internal capability to do it with confidence. So the qualitative narrative fills the gap the numbers should occupy.
 
This is not, at its core, a standards problem. Acra S2 disclosure standards can be exactly right on paper — climate-first, appropriately calibrated on Scope 3, unambiguous on the compliance statement — and the underlying reports can still fail investors, because Scope 1 and Scope 2 baselines are frequently modelled or estimated rather than measured at asset level, and no one has built the infrastructure to translate operational reality into the kind of quantified, auditable figures a credit committee would actually rely on. Closing that gap is a data-infrastructure and assurance problem. Singapore has just defined the report. What sits underneath it is the harder, unfinished part.
 

 

Acra S2 disclosure

What Closing the Gap Actually Requires

Meeting the Acra S2 disclosure standards well — not just meeting them on paper — is a different exercise from writing a longer report. If the problem is infrastructure rather than intent, the fix looks less like better writing and more like better instrumentation. Three things need to happen at the same time, and none of them are optional extras layered on top of compliance — they are the compliance.

First, Scope 1 and Scope 2 data needs to move from modelled estimates to measured, asset-level figures — the mandatory floor that now applies to every listed company, not just the largest ones. Second, companies need a repeatable way to quantify transition capex and opex, and the financial impact of climate risk on earnings and assets, rather than describing those in prose. Third, assurance needs to become a core competency built in from the start of the reporting cycle, not a year-end sign-off — which is precisely the gap Acra’s new sustainability assurance guidebook is trying to close by defining what “competent” assurance work actually looks like.

Companies that treat these three as sequencing — disclose first, worry about data quality later — will find themselves rebuilding their reporting process from the ground up once the assurance bar rises. Companies that build measurement and verification into the process now will simply have less to redo.

Where Granular Data and Assurance Meet This Gap

 

The gaps the second Business Times article names map with unusual precision onto how Evercomm’s own work is structured against the Acra S2 disclosure standards. For the Scope 1 and Scope 2 baseline problem — now a mandatory floor for every listed company regardless of tier — real-time, asset-level operational monitoring through NXOps replaces annual estimation with continuously captured measurement, which is the actual precondition for the kind of quantitative, comparable figures investors are asking for. For the harder ask — quantifying the financial impact of climate risk and the capex or opex earmarked for transition — NXPlan models decarbonisation pathways against cost and investment trade-offs, turning what is currently qualitative scenario narrative in most reports into a modelled, defensible number.

On the assurance side, Acra’s new sustainability assurance guidebook is directly relevant to what Evercomm’s Digital Verification service already does: fast-track, audit-grade compliance work against ISO 14064, ISO 14067, and ISO 14068, PCAF v2025, ISSB, ESRS, MAS 610, and CBAM, delivered by engineers and standards specialists rather than narrative consultants. As the market builds toward the competency bar Acra is setting, being Bureau Veritas verified and Singapore-recognised — with this infrastructure in production since 2013 — is a proof point, not a pitch.
This is the whole thesis in practice: sustainability, productivity, and enabling don’t compound in the disclosure. They compound in operations, in the data, in the verified numbers underneath the report. Acra has now defined what that report should say. What sits beneath it remains the work.
 

A Genuinely Good Milestone

 

\It’s worth pausing on what the Acra S2 disclosure standards actually achieve, because it’s easy to fixate on the gap and miss the progress. A climate-first mandatory S2, a Scope 3 relief calibrated to where most companies’ data capability realistically sits, and a compliance statement with real teeth — this is a well-built standard, not a box-ticking exercise. It follows the same disciplined playbook Singapore ran with IFRS convergence between 2002 and 2018: adopt the global standard, adjust deliberately for local readiness, and hold the line on the parts that matter.

Singapore isn’t reacting to sustainability reporting from the outside. It’s building its own standard, on its own terms, with the same care it once brought to becoming an IFRS-aligned financial hub — and the consultation window running to 25 October 2026 is a genuine invitation to shape the rules rather than simply comply with them. For companies already living inside ISSB-style disclosure since the TCFD days, this is a chance to weigh in. For the many more companies still ahead of their FY2028 or FY2030 mandatory dates, there is real runway to build the underlying data and assurance capability properly, rather than scramble for it later.

Getting from “what to disclose” to “disclosures worth trusting” is a multi-year, ecosystem-wide effort — better data collection, more robust quantification methodologies, higher standards for what counts as decision-useful. Acra has just taken a serious, credible step toward leading that effort in Asia. That’s worth some quiet confidence, and it’s a good moment for Singapore’s sustainability reporting ecosystem.

 
If your team is preparing a response to the Acra S2 disclosure consultation, or already mapping FY2028 or FY2030 readiness against a Scope 1 and Scope 2 baseline that’s more modelled than measured — let’s talk about what’s underneath your numbers.
 
Source articles: 

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