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)
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)
Singapore is phasing in mandatory ISSB-aligned climate disclosure for SGX-listed issuers from FY2025. Large non-listed companies become subject from FY2030. SGX extended several timelines on 25 August 2025.
- Enforcement
- Mandatory
- Effective date
- SGX listed: Scope 1+2 from FY2025; Scope 3 mandatory for STI constituents from FY2026. Large non-listed: Scope 1+2 from FY2030.
- Covered entities
- All SGX-listed issuers (phased by market cap and STI status); large non-listed companies meeting ACRA thresholds.
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.
HKEX listing rules require all Main Board issuers to disclose climate information aligned with IFRS S2 on a comply-or-explain basis from 1 January 2025, with mandatory application for Hang Seng Composite LargeCap constituents from 1 January 2026. Some elements differ from IFRS S2 (e.g., scope of consolidation, industry-based metrics).
- Enforcement
- Comply-or-explain for all Main Board issuers from 1 January 2025. Mandatory for Hang Seng Composite LargeCap Index constituents from 1 January 2026.
- Effective date
- 1 January 2025 (comply-or-explain); 1 January 2026 (mandatory for HSCI LargeCap)
- Covered entities
- All HKEX Main Board issuers (comply-or-explain); HSCI LargeCap constituents (mandatory)
In December 2023, Bangladesh Bank issued a circular mandating IFRS S1 and S2 disclosures by all banks and financial institutions it regulates, with limited assurance required from the second year of reporting.
- Enforcement
- Mandatory
- Effective date
- Annual reports for financial years beginning on or after 1 January 2024
- Covered entities
- Listed and non-listed banks and finance companies regulated by Bangladesh Bank, including foreign banks and finance companies operating in Bangladesh
The Advisory Committee on Sustainability Reporting released the National Sustainability Reporting Framework in September 2024, and Bursa Malaysia amended its listing rules in December 2024 to require IFRS S1 and S2 reporting on a climate-first phased basis starting FY2025.
- Enforcement
- Mandatory
- Effective date
- Group 1 (Main Market issuers with market cap MYR 2bn and above): climate-first reporting from 1 January 2025, full S1/S2 from 1 January 2027. Group 2 (other Main Market issuers): climate-first from 1 January 2026, full S1/S2 from 1 January 2028. Group 3 (ACE Market issuers and large non-listed companies with annual revenue MYR 2bn and above): climate-first from 1 January 2027, full S1/S2 from 1 January 2030
- Covered entities
- Bursa Malaysia Main Market and ACE Market listed issuers (including REITs and business trusts) and large non-listed companies with annual revenue of MYR 2 billion and above, classified into three groups by size and listing venue
On 31 December 2024 SECP issued an order under the Companies Act 2017 requiring listed companies and SECP-licensed Public Interest Companies to apply IFRS S1 and S2, phased over three reporting cohorts from FY beginning 1 July 2025 to 1 July 2027.
- Enforcement
- Mandatory
- Effective date
- Phase I: annual reporting periods beginning on or after 1 July 2025 (large listed companies meeting two of: turnover above PKR 25bn, over 1,000 employees, assets above PKR 12.5bn). Phase II: 1 July 2026 (mid-sized listed companies meeting two of: turnover above PKR 12.5bn, over 500 employees, assets above PKR 6.25bn). Phase III: 1 July 2027 (all remaining listed companies and SECP-licensed non-listed Public Interest Companies)
- Covered entities
- Listed companies on Pakistan Stock Exchange and SECP-licensed non-listed Public Interest Companies (including non-banking finance companies, modaraba companies, insurers, exchanges, central depositories), phased by size thresholds
CA Sri Lanka issued local SLFRS S1 and S2 standards incorporating IFRS S1 and S2, with mandatory application from 1 January 2025 starting with the top 100 Colombo Stock Exchange entities and phased through 2030 for other listed and SLAASMB-supervised non-listed entities.
- Enforcement
- Mandatory
- Effective date
- Voluntary: annual reporting periods beginning on or after 1 January 2024. Mandatory phased dates: 1 January 2025 (top 100 Colombo Stock Exchange listed entities by market cap); 1 January 2026 (Main Board entities); 1 January 2027 (other listed entities except Empower Board); 1 January 2028 (non-listed SLAASMB-supervised entities with turnover above LKR 10bn); 1 January 2029 (those above LKR 5bn); 1 January 2030 (Empower Board entities listed before 1 January 2024 and all other SLAASMB-supervised non-listed entities); fifth anniversary of listing for Empower Board entities listed after 1 January 2024
- Covered entities
- All Colombo Stock Exchange listed entities (phased by board and market cap) and non-listed entities subject to SLAASMB oversight (phased by turnover thresholds)
Taiwan's Financial Supervisory Commission published a roadmap in August 2023 to require Taiwan Stock Exchange and Taipei Exchange listed companies to apply IFRS S1 and S2 in three phases from FY2026, contingent on further FSC rulemaking.
- Enforcement
- Mandatory
- Effective date
- Phase I: FY2026, reported in 2027 (listed companies with paid-in capital above TWD 10bn). Phase II: FY2027, reported in 2028 (listed companies with paid-in capital between TWD 5bn and TWD 10bn). Phase III: FY2028, reported in 2029 (all other listed companies)
- Covered entities
- All companies listed on the Taiwan Stock Exchange and Taipei Exchange, phased by paid-in capital. Application may later be extended to certain unlisted financial institutions including banks, insurers, securities companies, securities investment trust funds and futures commission merchants
In November 2024, the Ministry of Finance and eight other ministries issued the Sustainability Disclosure Standards for Business Enterprises – Basic Standard (Trial) and, in April 2025, an exposure draft of the climate-specific standard, building a unified national system convergent with ISSB Standards and targeted for completion by 2030.
- Enforcement
- Voluntary or under development
- Effective date
- Not yet specified. Basic Standard issued 20 November 2024 may be applied voluntarily until implementation scope and requirements are specified; the basic architecture of the unified national system is targeted for 2030
- Covered entities
- To be determined. Intended to apply first to listed companies and then expand gradually to non-listed companies, from large companies to SMEs, and from voluntary to mandatory disclosure
In December 2024 Indonesia's IAI published a roadmap and exposure drafts of national Sustainability Disclosure Standards (PSPK 1 and PSPK 2) based on IFRS S1 and S2, with final standards expected in Q2 2025 and a proposed effective date of 1 January 2027 pending OJK rules.
- Enforcement
- Voluntary or under development
- Effective date
- Not yet specified. Roadmap proposes PSPK 1 and PSPK 2 effective 1 January 2027, with earlier application permitted
- Covered entities
- To be determined by OJK. Proposed for publicly accountable entities, including listed entities and financial services industries; climate-related disclosures expected to be required first, with broader sustainability disclosures voluntary in the initial three-year window
The Philippine Sustainability Reporting Committee published an adoption roadmap in December 2023, and the Board of Accountancy adopted PFRS S1 and S2 in March 2024; SEC and PSE are running readiness work, with a regulator memorandum circular pending to confirm mandatory dates phased from FY2026 to FY2028.
- Enforcement
- Voluntary or under development
- Effective date
- Not yet specified. Proposed mandatory implementation for SEC-regulated companies: Tier 1 (large cap, market cap above PHP 50bn) from FY beginning on or after 1 January 2026; Tier 2 (mid cap, PHP 3bn to PHP 50bn) from 1 January 2027; Tier 3 (small cap and large non-listed companies with annual revenue above PHP 15bn) from 1 January 2028. Government corporations classified as Commercial Public Sector Entities and IC-regulated entities to follow separate guidelines. Early application permitted
- Covered entities
- Proposed: all publicly listed entities and large non-listed entities regulated by SEC (including banks and entities primarily regulated by Bangko Sentral ng Pilipinas or the Insurance Commission), Commercial Public Sector government corporations, and other entities as later determined. Large non-listed subsidiaries may be exempted if their parent already files in the Philippines
Korea's KSSB published exposure drafts of three Korean Sustainability Disclosure Standards (KSSB 1, KSSB 2 and the non-mandatory KSSB 101) with consultation closing 31 August 2024; the Financial Services Commission is considering disclosure requirements for listed entities, indicating adoption from after 2026.
- Enforcement
- Voluntary or under development
- Effective date
- Not yet specified
- Covered entities
- To be determined. FSC will consider application of KSDS by listed entities once final standards are issued
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.
- 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
New Zealand's mandatory climate-related disclosure regime, issued by the XRB and modelled on TCFD. New Zealand was the first country in the world to legislate this kind of regime.
- Enforcement
- Mandatory
- Effective date
- Reporting periods beginning on or after 1 January 2023
- Covered entities
- Climate Reporting Entities (CREs): large listed issuers, large registered banks, insurers, NBDTs, investment scheme managers
Primary source ↗Verified 2026-04-30 Australia's mandatory national reporting framework for greenhouse gas emissions and energy production/consumption by large emitters. Underpins Australia's National Greenhouse Accounts and UNFCCC reporting.
- Enforcement
- Mandatory
- Effective date
- In effect since 2008. Annual reports due 31 October each year.
- Covered entities
- Australian corporations meeting facility or corporate-group emissions/energy thresholds. ~900 entities currently report.
Primary source ↗Verified 2026-04-30