Thailand-ISSBPublic consultation on the Thailand Sustainability Disclosure Roadmap closed 19 December 2024; SEC assessing feedback and planning a further consultation on detailed disclosure requirements

Local adoption of IFRS S1 / S2 (ISSB Standards)

Thailand · Securities and Exchange Commission, Thailand (SEC Thailand)

Thailand's SEC consulted on a roadmap to require listed entities to apply IFRS S1 and S2 with extended transition reliefs, including a five-year climate-first phase; the consultation closed 19 December 2024 and SEC is assessing feedback before a second consultation.

Category
ISSB-aligned sustainability disclosure
Enforcement
Voluntary or under development
Effective date
Not yet specified. SEC proposed a phased-in approach: SET50 entities to start disclosing in 2027 for FY2026; SET100 entities in 2028 for FY2027; other SET-listed companies (including IPOs) in 2030 for FY2029; MAI-listed companies and certain SET-listed REITs, IFFs, Infrastructure Trusts and Property Funds in 2031 for FY2030
Covered entities
Proposed at the consolidated entity level: listed companies (Thai or foreign incorporated, including those intending an IPO), Real Estate Investment Trusts, Infrastructure Trusts, Property Funds and Infrastructure Funds
Notes
Content extracted from IFRS Foundation jurisdictional profile (verified 2026-04-30).

Sources

Verified 2026-04-30

Related regulations

Draft; mandatory packaging EPR targeted for enactment in 2025 and effective 2027

Thailand does not yet have a mandatory EPR law; the Pollution Control Department drafted the Sustainable Packaging Management Act in 2023 to 2024, which would require producers to fund recovery and recycling of packaging through certified PROs. The draft targets enactment in 2025 and full enforcement around 2027, alongside a separate draft WEEE bill.

Enforcement
Voluntary today, becoming Mandatory
Effective date
Draft Packaging Act posted for consultation March 2024; expected Cabinet/Parliament submission 2025; planned enforcement 2027 after 3-year infrastructure build-up
Covered entities
Producers and importers of glass, metal, paper, plastic and composite packaging placed on the Thai market once the Sustainable Packaging Management Act is enacted
Primary source ↗Verified 2026-04-30
Effective

Australia has issued ISSB-aligned sustainability standards. AASB S2 (climate) is mandatory under the Corporations Act for in-scope entities; AASB S1 (broader sustainability) is voluntary.

Enforcement
AASB S1: voluntary. AASB S2: mandatory under Corporations Act 2001 for in-scope entities.
Effective date
Annual reporting periods beginning on or after 1 January 2025 (phased by entity size)
Covered entities
Group 1, 2, 3 entities under AASB thresholds (large entities first; phased rollout to mid-size and smaller large entities)
UK-SRS

UK Sustainability Reporting Standards (UK SRS S1 and UK SRS S2)

United Kingdom · UK Government (DBT) / FRC; FCA for listed-entity application
Final standards published (voluntary); FCA consulting on mandatory listing-rule application

The UK government has endorsed IFRS S1 and S2 as UK SRS S1 and S2 for voluntary use. The FCA is consulting on listing rules that would make UK SRS S2 mandatory for listed issuers, with Scope 3 and non-climate sustainability on a comply-or-explain basis.

Enforcement
Voluntary at publication. FCA proposes mandatory UK SRS S2 for listed issuers (Scope 3 and broader sustainability on comply-or-explain).
Effective date
TBD pending FCA listing-rule outcome
Covered entities
Any UK entity (voluntary). FCA proposal targets in-scope listed issuers.
Canada-CSDS

CSDS 1 and CSDS 2 – Canadian Sustainability Disclosure Standards

Canada · Canadian Sustainability Standards Board (CSSB), under FRAS Canada
Final standards published (voluntary); CSA mandatory rule paused April 2025

CSSB issued final CSDS 1 and CSDS 2 on 18 December 2024, aligned with IFRS S1 and S2 with extra transition reliefs. Standards are voluntary. The CSA paused its mandatory climate disclosure rulemaking on 23 April 2025.

Enforcement
Voluntary
Effective date
Annual reporting periods beginning on or after 1 January 2025 (with transition reliefs)
Covered entities
Any Canadian entity (voluntary). CSA paused work on mandatory rule citing global developments.
Japan-SSBJ

SSBJ Sustainability Disclosure Standards (Application, General, Climate)

Japan · Sustainability Standards Board of Japan (SSBJ)
Final standards published 5 March 2025 (voluntary now; mandatory phased)

SSBJ published final sustainability disclosure standards on 5 March 2025: an Application Standard, a General Standard, and a Climate Standard. The standards are essentially equivalent to IFRS S1 and S2. Mandatory application phases in by market capitalization.

Enforcement
Voluntary now. Mandatory under FSA disclosure framework on phased basis by market cap.
Effective date
Voluntary for periods ending on or after 5 March 2025. Mandatory phased: FY ending March 2027 for issuers with market cap >¥3T, expanding through FY ending March 2029.
Covered entities
Listed issuers in Prime Market (phased by market cap)
HongKong-HKFRS

HKFRS S1 and HKFRS S2 – Hong Kong Sustainability Disclosure Standards

Hong Kong · Hong Kong Institute of Certified Public Accountants (HKICPA)
Adopted (effective 1 August 2025; voluntary use until mandated by relevant authority)

HKICPA published HKFRS S1 and HKFRS S2 on 12 December 2024, fully aligned with IFRS S1 and S2. The Hong Kong SAR Government's December 2024 Roadmap sets out the phased path to mandatory adoption for publicly accountable entities.

Enforcement
Voluntary at HKICPA level. The Hong Kong SAR Government's roadmap (10 December 2024) sets out phased mandatory adoption for publicly accountable entities.
Effective date
Annual reporting periods beginning on or after 1 August 2025
Covered entities
Any Hong Kong entity (voluntary). Mandatory phased rollout per government roadmap.