> For the complete documentation index, see [llms.txt](https://docs.payfacto.com/payfacto-knowledge/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.payfacto.com/payfacto-knowledge/maitred-pos/maitred/maitred-complete-online-documentation/chap-17-converter/tools/external-sales-posting/taxes.md).

# Taxes

#### External Sales Posting

**Taxes Branch**

The taxes branch of the external sales posting option allows to map sales from external sales to Maitre'D sales taxes.

![Button - Modify](https://documentation.payfacto.com/POS/MaitreD/Fulldoc/assets/images/MaitreDCommon/Buttons/MDButton-Modify.jpg)

Select this button to modify an existing external sales tax mapping.

![Button - Add](https://documentation.payfacto.com/POS/MaitreD/Fulldoc/assets/images/MaitreDCommon/Buttons/MDButton-Add.jpg)

Select this button to add a new external sales tax mapping.

![Button - Remove](https://documentation.payfacto.com/POS/MaitreD/Fulldoc/assets/images/MaitreDCommon/Buttons/MDButton-Remove.gif)

Select this button to remove an obsolete external sales tax mapping.

**External value**

Enter the code of the external sales tax.

**Internal value**

Enable the Maitre'D sales tax from the list.