S.C. Code § 50-5-2700
In pursuance of Article III of the Atlantic States Marine Fisheries Compact, of which this State is a signatory, there shall be three members, hereinafter called compact commissioners, of the Atlantic States Marine Fisheries Commission, hereinafter called the Compact Commission, from this State. The first compact commissioner from this State shall be the director of the department, ex officio. Notwithstanding the provisions of Section 8-13-770, the second compact commissioner from this State shall be a member of the General Assembly who is also a member of the Commission on Interstate Cooperation of this State, designated by the Commission on Interstate Cooperation to serve ex officio. The Governor, by and with the advice and consent of the Senate, shall appoint a citizen of this State as a third compact commissioner, who shall have a knowledge of and interest in the marine fisheries problem. The term of the compact commissioner shall be three years and he shall hold office until his successor shall be appointed and qualified. Vacancies occurring in the office of the commissioner for any reason or cause shall be filled by appointment by the Governor, by and with the advice and consent of the Senate, for the unexpired term. The director of the department as an ex officio commissioner may delegate, from time to time, to any deputy or other subordinate in his department or office, the power to be present and participate, including voting as his representative or substitute, at any meeting of or hearing by or other proceeding of the Compact Commission. These commissioners' service shall begin when the compact has gone into effect in accordance with Article II thereof and also shall begin upon the date upon which the compact shall become effective in accordance with Article II.
S.C. Code § 50-5-2700