18.8 Tax Calculation
You can set the tax items to be used on Quotes, Orders, Invoices and Delivery Notes.
![18.8 [1].png](https://usermanual.vtenext.com/uploads/images/gallery/2022-06/Cb218-8-1.png)
Negative tax values can also be managed, for example for the management of ENASARCO or withholding tax.
The calculation of taxes in Quotes, Orders, Invoices and Delivery Notes can be calculated per line or per group, depending on the setting chosen by the user when creating the document:
![18.8 [2].PNG](https://usermanual.vtenext.com/uploads/images/gallery/2022-06/UG418-8-2.PNG)