To enter general details of a tax group
If you are not already on the Tax Group page, At the organization level, click the Admin icon and navigate to Setup > Tax Groups.
Select the Tax Group name.
Complete the following fields in the General tab:
Code: This field is mandatory. Enter a unique code number for the tax type.
Tax Group Name: Enter a name for the tax group. Note that a tax group could be just one tax or a group of several taxes.
Description: Enter a description for the tax type.
Active: Select to make this tax type active for use in the organization.