To make certain items tax exempt in your store do this following.
- Login to Accelerator
- Click Store -> Change Tax
- Choose Sales Tax
- Enter NOTax in “New sales tax code” box and click add
- Click Category Assignment, make sure the NOTax code does not have a check box
- Click Merchandise
- Find the product that should have no tax
- Select this product
- Click Actions -> Change on the menu
- Choose Sales Tax
- Select NOTax and click Add