# ZIP: Proportional Output Fee Mechanism (POFM)

**URL:** <https://forum.zcashcommunity.com/t/zip-proportional-output-fee-mechanism-pofm/42808>\
**Category:** Community Collaborations\
**Created:** [August 15, 2022, 9:32pm UTC](https://forum.zcashcommunity.com/t/zip-proportional-output-fee-mechanism-pofm/42808 "2022-08-15T21:32:18Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![aiyadt](https://avatars.discourse-cdn.com/v4/letter/a/e9bcb4/32.png) [@aiyadt](https://forum.zcashcommunity.com/u/aiyadt)\
**Post date:** [August 15, 2022, 9:32pm UTC](https://forum.zcashcommunity.com/t/zip-proportional-output-fee-mechanism-pofm/42808/1 "2022-08-15T21:32:19Z")

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> <https://github.com/zcash/zips/pull/631>
>
> Pinging @daira & @nuttycom for help with updating the wording and spec for this …ZIP.