Methodological framework · verified 01.09.2026
Standards for a high-integrity carbon market
Versions, dates, and statuses of documents governing project MRV, unit issuance, and credible climate claims.
7G
Traceable
Carbon Data Uniqueness · transparency · verifiability
Carbon Data Uniqueness · transparency · verifiability
Application rule
Working drafts are not treated as active requirements. For each record, the applicable version, publication date, and status are recorded, while transition rules are controlled at the level of the specific project and vintage.
Active
Official source
v03.0
30.07.2026
Article 6.4 Registry Procedure
International registry of the Paris Agreement mechanism
Defines the operation of the Article 6.4 mechanism registry. An interim registry is used until the final infrastructure is launched.
Active
Official source
2019 edition
April 2019
ISO 14064-2
Quantification and monitoring of climate projects
The current edition for project-level quantification, monitoring, and reporting. The next edition currently remains a working draft.
Active
Official source
2019 edition
April 2019
ISO 14064-3
Validation and verification of greenhouse gas statements
The basis for independent verification of project calculations, monitoring reports, and claimed climate outcomes.
Active
Official source
2020 edition
December 2020
ISO 14065
Requirements for validation and verification bodies
Requirements for the competence, consistency, and impartiality of bodies that validate and verify environmental information.
Transition period
Official source
2023 edition
November 2023
ISO 14068-1
Carbon neutrality and climate claims
Establishes the priority of reducing own emissions, the use of high-quality units, and transparent substantiation of claims.
Transition period
Official source
Version 5.0 / 5.1
2025–2026
Verified Carbon Standard
Verra requirements for projects and carbon units
VCS Version 5 is available now; most requirements become mandatory for new projects from January 1, 2027, subject to separate transition rules.
Active
Official source
Tool 10 · v1.0
27.08.2026
GS4GG PAA MT400-10
Addendum to the A6.4 grid emission factor calculation
For 2026+ vintage issuances, introduces transitional use of annual data with a 10% discount, a 5% reduction limit, a 24-month lag, and criteria for renewable energy projects with storage.
Active
Official source
CCP Assessment Framework
Current edition
ICVСM Core Carbon Principles
Integrity principles for carbon units
A program’s status as CCP-Eligible does not automatically mean that every category and every unit carries the CCP label.
Active
Official source
v3.0
April 2025
VCMI Claims Code
Credible use of units in climate claims
A framework for corporate climate claims, the use of units in addition to emissions reductions, and disclosure of supporting information.
Tracked
ISO/WD 14064-2.2 — working draft of the third edition
Displayed separately and not treated as an applicable standard until the final ISO edition is published.