Field help (GACTYPCTL)
This field determines how tax codes are entered in the Tax control grid. If you change the Control type, all codes are removed from the grid.
Inactive: You cannot enter tax codes in the grid.
Authorization: The Default tax code must be included in the list. If you change the Default tax code, the new code is automatically added to the next open line.
Restriction: You must enter at least one tax code. The default tax code cannot be included in the list.