International Sustainability Standards Board (ISSB) established by the IFRS Foundation Trustees on 3 November 2021 at COP26 Glasgow as the independent standard-setting body to develop a comprehensive global baseline of sustainability disclosure standards. ISSB operates alongside and complementarily with the International Accounting Standards Board (IASB) under the IFRS Foundation. Inaugural Chair: Emmanuel Faber (2022-) + Vice-Chair: Sue Lloyd. Headquarters: Frankfurt Germany + Montreal Canada + additional offices London + San Francisco + Tokyo + Beijing. (1) Foundational Standards Issued June 2023: IFRS S1 General Requirements for Disclosure of Sustainability-related Financial Information + IFRS S2 Climate-related Disclosures. Effective for annual reporting periods beginning on or after 1 January 2024. Transition reliefs available for first-year reporters. (2) Underpinning Framework: ISSB builds upon and consolidates pre-existing frameworks - Task Force on Climate-related Financial Disclosures (TCFD - established 2015 by FSB Financial Stability Board) + Sustainability Accounting Standards Board (SASB) Standards (industry-specific, acquired by IFRS Foundation 2022) + Climate Disclosure Standards Board (CDSB - consolidated into IFRS Foundation 2022) + Integrated Reporting Framework (International Integrated Reporting Council IIRC consolidated 2022). FSB confirmed dissolution of TCFD in October 2024 with ISSB taking over climate disclosure standard-setting responsibilities. (3) Architecture: 4-Pillar TCFD-aligned framework (Governance + Strategy + Risk Management + Metrics and Targets) applied across all sustainability topics in IFRS S1 + applied specifically to climate in IFRS S2. (4) Global Adoption Status (as of 2026): 30+ jurisdictions adopted or committed to adopt ISSB Standards including UK (UK Sustainability Reporting Standards SRS endorsement progressing toward adoption Q1 2026 + FCA mandatory for LSE Premium Listed companies + UK SRS Endorsement Board UK-SRS) + Australia (Australian Accounting Standards Board AASB S1 + S2 effective 1 January 2025 for large entities) + Canada (Canadian Sustainability Disclosure Standards CSDS Board CSSB - CSDS 1 + CSDS 2) + Brazil (mandatory adoption from 2026 with phased rollout) + Japan (Sustainability Standards Board of Japan SSBJ - SSBJ-S1 + S2 - 2025) + Korea (Korea Sustainability Standards Board KSSB) + Singapore (SGX-listed and large non-listed Climate Reporting 2025) + Hong Kong (HKEX Climate Disclosures Listing Rule 2025) + Malaysia (Bursa Malaysia Climate Reporting) + Mexico (CNBV Mexican Securities Regulator) + New Zealand (External Reporting Board XRB Climate-related Disclosures NZ CS 1-3) + Nigeria (Nigerian Sustainability Reporting Standards NSRS) + Philippines (SEC Sustainability Reporting Guidelines) + Sri Lanka (CASL Sri Lanka Accounting Standards Board Sri Lanka Sustainability Disclosure Standards) + Taiwan (FSC Financial Supervisory Commission) + Turkey (KGK Public Oversight Authority TSRS) + Costa Rica + Bangladesh + Bolivia + Israel + Pakistan. (5) Public availability: IFRS S1 + S2 standards copyrighted by IFRS Foundation BUT freely accessible via ifrs.org for personal + non-commercial use + commercial licensing required for embedded use in software/reproduction. Coordinates with TCFD (predecessor) + EU CSRD ESRS European Sustainability Reporting Standards (issued by EFRAG European Financial Reporting Advisory Group + 12 standards effective phased from 1 January 2024) + EU Taxonomy Regulation (EU 2020/852) + US SEC Climate Disclosure Rule (vacated 2025) + California SB-253 SB-261 SB-219 + UK SDR Sustainability Disclosure Requirements + UK Greening Finance Roadmap + IFRS Foundation Consolidated Reporting Practice Statement 2 Materiality + Council of Europe Convention 108 + UN PRI Principles for Responsible Investment + UN Global Compact + UN SDGs + UN Climate Convention UNFCCC + Paris Agreement + IPCC reports + TNFD Taskforce on Nature-related Financial Disclosures + GRI Global Reporting Initiative + GRI Universal Standards + GRI Topic Standards + GRI Sector Standards + CDP Carbon Disclosure Project + IIRC Integrated Reporting + CDSB + IOSCO International Organization of Securities Commissions endorsement of ISSB. ISSB + IFRS S1 + S2 + COP26 + Global Baseline applies.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.