FORM: Article 6.4 mechanism registry Party engagement form (PDF) (version 02.0) Open English PDF 0.07 MB Symbol A6.4-FORM-REGS-001 Publication date 11 Sep 2025 Document type Form Author UNFCCC. Secretariat Topic Mitigation actions and commitments Notes Previous versions: Ver01.0 - Initial publication. 5 September 2025. (Word | PDF)