Section 15-21-303 - Designations within zones(a) As established for use in the North Zone, the Arkansas Coordinate System 1983 shall be named and in any land description in which it is used it shall be designated the "Arkansas Coordinate System 1983, North Zone".(b) As established for use in the South Zone, the Arkansas Coordinate System 1983 shall be named and in any land description in which it is used it shall be designated the "Arkansas Coordinate System 1983, South Zone".