> For the complete documentation index, see [llms.txt](https://documentation.immuta.com/2024.3/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.immuta.com/2024.3/secure-your-data/authoring-policies-in-secure/data-policies/reference-guides/custom-policy-certifications.md).

# Custom Data Policy Certifications

When building a global data policy, governors can [create custom certifications](/2024.3/secure-your-data/authoring-policies-in-secure/data-policies/how-to-guides/data-policy-tutorial.md#create-a-custom-certification-for-a-global-policy), which must then be acknowledged by data owners when the policy is applied to data sources.

For example, data governors could add a custom certification that states that data owners must verify that tags have been added correctly to their data sources before certifying the policy.

When a global data policy with a custom certification is cloned, the certification is also cloned. If the user who clones the policy and custom certification is not a governor, the policy will only be applied to data sources that user owns.


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