Standard: Demonstration of additionality in mechanism methodologies (v.03.0) Open English PDF 0.39 MB Symbol A6.4-STAN-METH-003 Publication date 09 Oct 2026 Document type Standard Author UNFCCC. Article 6.4 Supervisory Body Topic Mitigation actions and commitments Notes Previous versions: ver. 02.0 Revision adopted: SBM 021, 21 May 2026. ver. 01.2 Editorial revision published 5 March 2025. ver. 01.1 Editorial revision published: 26 Feb. 2025. ver. 01.0 Initial adoption: SBM 015, 9 Oct. 2024.