Switzerland-ISSBConsultations on amendments to the Swiss Code of Obligations and the Ordinance on Climate Disclosures held in 2024; Federal Council reviewing feedback as of March 2025, with decisions on Ordinance amendments expected during 2025; current TCFD comply-or-explain regime remains in force

Local adoption of IFRS S1 / S2 (ISSB Standards)

Switzerland · Federal Council and Federal Assembly (legislative process), with FINMA and SIX Exchange Regulation supervising listed entities and FAOA setting assurance requirements

Switzerland is consulting on amendments to the Code of Obligations and the Ordinance on Climate Disclosures that would replace the current TCFD comply-or-explain regime with mandatory disclosures using either ISSB Standards (with additional GRI-style information) or ESRS, broaden the scope to more companies and require assurance from year one.

Category
ISSB-aligned sustainability disclosure
Enforcement
Voluntary or under development
Effective date
Not yet specified. Proposed Code amendments would apply two years after the legislative process concludes
Covered entities
Current rules apply to listed entities (other than those below CHF 450,000 balance sheet, CHF 900,000 revenue and 10 full-time positions) and non-listed companies above 500 employees, CHF 20m balance sheet and CHF 40m turnover. Proposed amendments would extend to entities exceeding two of: CHF 25m balance sheet, CHF 50m turnover, 250 average annual full-time employees over two consecutive years. Subsidiaries can be exempt where covered by an equivalent parent report
Notes
Content extracted from IFRS Foundation jurisdictional profile (verified 2026-04-30).

Sources

Verified 2026-04-30

Related regulations

CH-DDTrO

Ordonnance sur les devoirs de diligence et de transparence en matière de minerais et de métaux provenant de zones de conflit et en matière de travail des enfants (DDTrO / VSoTr), RS 221.433; Code of Obligations Art. 964j–964l

Switzerland · Federal Department of Justice and Police (FDJP) and the company's audit firm; civil/criminal liability via the Federal Department of Finance for false reporting
In force from 1 January 2022; first reports required for financial year 2023, published by mid-2024

In-scope Swiss companies must operate a supply chain management system, traceability and risk management aligned with the OECD Due Diligence Guidance for minerals and the ILO-IOE child labour due diligence guidance, and publish an annual report. False or missing reports can trigger fines up to CHF 100,000 under Art. 325ter of the Swiss Criminal Code.

Enforcement
Mandatory
Effective date
1 January 2022; one-year transition meant first reporting period was FY2023
Covered entities
Companies with registered office, head office, or principal place of business in Switzerland that import or process tin, tantalum, tungsten, gold (3TG) above annual volume thresholds set in the DDTrO annex, and companies that offer products or services where there is reasonable suspicion of child labour. SMEs and low-risk companies are exempt under defined conditions.
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.