# Doubts about tax rules

**URL:** https://discuss.tryton.org/t/doubts-about-tax-rules/5913
**Category:** User
**Created:** [February 9, 2023, 8:35pm UTC](https://discuss.tryton.org/t/doubts-about-tax-rules/5913 "2023-02-09T20:35:28Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![ced](https://discuss-cdn.tryton.org/user_avatar/discuss.tryton.org/ced/32/1237_2.png) [@ced](https://discuss.tryton.org/u/ced)
#### Post date: [February 10, 2023, 11:09pm UTC](https://discuss.tryton.org/t/doubts-about-tax-rules/5913/5 "2023-02-10T23:09:47Z")

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As I said this is not how tax rule works.  
Now I remember I had already such discussion about something similar: [Update unit price + tax rules - #2 by ced](https://discuss.tryton.org/t/update-unit-price-tax-rules/1544/2)  
So for me it is still the same solution that should be implemented (in a module) by adding extra taxes as substitution.

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