To create New Tax Rules, edit or delete existing ones, firstly press the Menu button on the top left corner of your screen, then Items.

1. Under Settings, select Tax Rules.

2. To create a New Tax Rule click on the blue button on the right, Create Tax Rule.

3. After writing the new tax's name, choose when not to apply the tax, the locations for which it is available, details about which service option it is applied and specific items that fall under this tax exemption.

4. Once done press Create Tax Rule.  

Note: By clicking on any tax rule's name you can choose to either edit its details or delete that particular Tax Rule.