S.C. Code Ann. § 54-3-230

The South Carolina State Ports Authority is authorized to make application to the Foreign-Trade Zones Board for the purpose of establishing, operating, and maintaining foreign-trade zones in the State, under the act of Congress known as the Foreign-Trade Zones Act which provides for the establishment, operation and maintenance of foreign-trade zones in the United States. The South Carolina State Ports Authority shall select and describe the location of the zones for which application may be made and shall make such rules and regulations concerning the operation, maintenance and policing of them as may be necessary to insure compliance with the Foreign-Trade Zones Act and for other appropriate purposes. The South Carolina State Ports Authority shall have full power and authority to erect, maintain and operate or lease any structures or buildings or enclosures as may be necessary or proper for the establishing, operating, and maintaining of any such foreign-trade zones in the State of South Carolina. The authority granted to the South Carolina State Ports Authority confers the right and duty and power to do all things necessary and proper to achieve compliance with the Foreign-Trade Zone Act and to carry into effect the establishing, operating and maintaining of foreign-trade zones within the State.