A6.4 Sustainable development impact form (version 02.0) Open English xlsx 0.23 MB Symbol A6.4-FORM-AC-017 Publication date 01 Oct 2026 Document type Form Author UNFCCC. Article 6.4 Supervisory Body Topic Mitigation actions and commitments Notes Previous versions: ver. 01.1 published 8 Aug. 2025 (Excel) ver. 01.0 Initial publication: 11 February 2025. (Excel)