Click General ledger> Setup> Sales tax> Item sales tax groups .

To create a line for a new item sales tax group, press CTRL+N.

In the Item sales tax groupfield, enter a unique identifier for the item sales tax group.

In the Descriptionfield, enter a name or description of the item sales tax group.

Click the Setuptab and in the Sales tax codefield, select a sales tax code. The other fields on the tab are filled in automatically.

Note
To create a new sales tax code, place the cursor in the Sales tax codefield, right-click, click Go to the Main Table Form, and create the new sales tax code.

To add another sales tax code to the item sales tax group, press CTRL+N to create a new line, and repeat step 5.