A self-declared environmental claim is the first named type. The type is a statement made by the party responsible for the product, without an award by an external programme. The 2026 self-declared claims standard carries the detailed requirements and says its common elements moved into ISO 14020:2022. A programme for this type can be a simple internal procedure, which is the example the informative annex gives.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.