> For the complete documentation index, see [llms.txt](https://documentation.carbonregistry.com/documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.carbonregistry.com/documentation/icr-program/validation-and-verification/criteria.md).

# Criteria

In addition to ISO 14064-3, the ICR validation and verification specification is the backbone of the ICR program validation and verification. It provides specifications on assessment to ICR related requirements that are not included in ISO 14064-2.  

<figure><img src="/files/WKQH3IlfHghnZ4JX9XQ7" alt="" width="563"><figcaption><p>Criteria for validation and verification</p></figcaption></figure>

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[ICR Validation and Verification Specifications v2.0](/documentation/icr-program/validation-and-verification/criteria/icr-validation-and-verification-specifications-v2.0.md)
{% endcontent-ref %}