1. Click Setup in the left-hand menu.
2.
4. Click Manage Tax Items at the bottom of the window.
5. To simply add a single tax rate to the existing default Sales Tax item, click Sales Tax in the Tax Item Name column. See Figure 1-5. Type the desired Tax Rate and modify any other desired fields. See Figure 1-6. Click Save & Exit.
6. To add a new tax item, click New Tax Item. See Figure 1-5. Complete the fields as desired. See Figure 1-6. Click Save & Exit.
7. Click Manage tax item sets to return to the initial Sales Tax window.