# Product Tax category assignment to part

**Category:** [Epicor ERP 9](https://www.epiusers.help/c/e9/7)
**Created:** 2017-01-18 04:23 UTC
**Views:** 629
**Replies:** 0
**URL:** https://www.epiusers.help/t/product-tax-category-assignment-to-part/36929

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## Post #1 by @Prakash_Bankar

Hi Experts,
I am going to assign newly created Product Tax category ID to a part, But while assigning it to the part maintenance, it highlights the following Error :
 "Maintain the additional fields of the PTC before use with a part. "  I missing something here?

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