Japan · standard
SSBJ Standards (5 Mar 2025) + Financial Instruments and Exchange Act amendment (enacted Jul 2026)
Scope
TSE Prime companies by market cap: ≥¥3tn (2027), ≥¥1tn (2028), ≥¥500bn (2029); Dictionary termAssuranceAn independent engagement designed to increase intended users' confidence in defined sustainability information by evaluating it against suitable criteria and reporting a conclusion.Read the full definition one year after each cohort
Penalties
FIEA filing enforcement; Dictionary termAssuranceAn independent engagement designed to increase intended users' confidence in defined sustainability information by evaluating it against suitable criteria and reporting a conclusion.Read the full definition requirement follows each cohort
Last verified
2026-08-25
In plain language
Japan's ISSB-aligned Dictionary termSustainability disclosuredisclosure of sustainability-related **risks, opportunities and impacts** (风险、机遇和影响) — note: explicitly tripartite, financial AND impact.Read the full definition regime for qualifying TSE Prime Market companies. The FSA's February 2026 Cabinet Office Order requires SSBJ-based disclosure for companies with an average market capitalisation of at least ¥1tn, phased from the fiscal year ending March 2027: ¥3tn+ first, ¥1tn–¥3tn from March 2028, and ¥500bn–¥1tn from March 2029. The applicable threshold is calculated from the average market capitalisation at the end of the preceding five fiscal years. A July 2026 FIEA amendment adds statutory Dictionary termAssuranceAn independent engagement designed to increase intended users' confidence in defined sustainability information by evaluating it against suitable criteria and reporting a conclusion.Read the full definition and Inline XBRL filing from fiscal years beginning 1 April 2027.
Formal requirements
Reviewed provisions grouped by practical purpose. Use the official text for the full legal context.
Phase 1
FIEA amendment (Cabinet Order, in force 15 Jul 2026) — three standards · instrument-level citationNew "Dictionary termSustainability informationinformation on sustainability mattersRead the full definition " section in the Annual Securities Report (有価証券報告書): Governance, Risk Management mandatory for all in-scope
FIEA amendment (Cabinet Order, in force 15 Jul 2026) — three standards · instrument-level citationStrategy and Metrics & Targets required where material (重要性が高い場合)
FIEA amendment (Cabinet Order, in force 15 Jul 2026) — three standards · instrument-level citationScope 1/2 mandatory — ; Scope 3 required where material (FS follows SSBJ with reliefs).
FIEA amendment (Cabinet Order, in force 15 Jul 2026) · instrument-level citationExternal Dictionary termAssuranceAn independent engagement designed to increase intended users' confidence in defined sustainability information by evaluating it against suitable criteria and reporting a conclusion.Read the full definition voluntary initially — mandatory assurance deferred for later decision.
FIEA amendment (Cabinet Order, in force 15 Jul 2026) · instrument-level citationFour categories of SSBJ standards — (framework architecture): (1) application standards; (2) general disclosure standards; (3) theme-based standards; (4) industry-based standards.
SSBJ Standards (issued 5 Mar 2025) · instrument-level citationDictionary
Terms with a retained, published connection to this legal source.