# Content usage preference

[3 · Permit](/category/permit/)

| Content usage preference |
| --- |
| Category | [Permit](/category/permit/) |
| Related | [AIPREF Vocabulary](/protocols/aipref-vocabulary/), [AIPREF Content-Usage Attachment](/protocols/aipref-content-usage-attachment/) |

[Permit](/category/permit/) A machine-readable statement of how content may be used, for example whether it may be used for AI training. The IETF AIPREF working group defines a vocabulary for these statements and ways to attach them to content.

## Instances

Not applicable.

## See also

- [AIPREF Vocabulary](/protocols/aipref-vocabulary/)
- [AIPREF Content-Usage Attachment](/protocols/aipref-content-usage-attachment/)

## References

- [https://datatracker.ietf.org/doc/draft-ietf-aipref-vocab/](https://datatracker.ietf.org/doc/draft-ietf-aipref-vocab/) (2026-10-15) VERIFIED

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