1. Accounting Menu > Sales Tax Settings
2. Click Tax Code Tab
3. Double-click a row
4. Create or edit Item Tax Type fields
a. In the Tax Code field, type a unique code for the invoice line item.
a. In the Description field, type a brief description of the invoice line item.
a. If the invoice line item is taxable, click the Taxable checkbox to tick it.
5. Click OK
