(A) The General Trawling Zone consists of the following subzones:
(1) The Northern Subzone: from the North Carolina-South Carolina boundary at Little River and its projection to the seawardmost territorial sea limit; to a southern boundary beginning at a point on the southern end of Cedar Island at latitude 033° 7.2' N and longitude 079° 16.3' W, extending seaward in a southeasterly direction (135° true) to the seawardmost territorial sea limit.
(2) The Central Subzone: from the southernmost boundary of the northern subzone extending to a line beginning at the southern tip of Edisto Island at latitude 032° 28.6'N, longitude 080° 20.2'W, extending seaward in a southeasterly direction (135° true) to the seawardmost territorial sea limit.
(3) The Southern Subzone: from the southernmost boundary of the central subzone to the South Carolina-Georgia boundary and the seaward extension of the boundary to the seawardmost territorial sea limit.
(B) The department may prohibit or allow trawling or other commercial fishing activity in any subzone or specified area therein, in or out of season.