# Definitions For the purposes of the ICR program, the following terms and definitions apply in addition to definitions in ISO 14064-2, ISO 14064-3, ISO 14065, ISO 14066, ISO 14068-1. ISO maintains terminological databases for use in standardization at the following addresses: ISO Online browsing platform: available at {% content-ref url="definitions/icr-definitions-v3.2/version-history/icr-definitions-v3.1" %} [icr-definitions-v3.1](https://documentation.carbonregistry.com/documentation/icr-program/fundamentals/definitions/icr-definitions-v3.2/version-history/icr-definitions-v3.1) {% endcontent-ref %}