ISO 14021:2026

This document establishes principles, specifies requirements and gives guidance on self-declared environmental claims about products and their environmental statement programmes, including claims that also cover related social and economic aspects that are affected by environmental conditions or the environmental performance of a product.
This document defines selected terms commonly used in self-declared environmental claims and provides qualifications for their use, as well as describing the documentation and methodologies required for assessing self-declared environmental claims.
This document is applicable to self-declared environmental claims that predominantly take the form of words, but can also be symbols or graphics on product or package labels, or appear in product literature, technical bulletins, advertising and publicity, including on digital platforms.