S.C. Code § 54-17-70
The South Carolina Law Enforcement Division is authorized to promulgate regulations not specifically authorized by the federal government or by another agency, department, or division of state government, which are necessary for the proper administration and enforcement of homeland security measures for maritime protection including, but not limited to, safety zones and security zones. These regulations, including any emergency authority, must be promulgated within the guidelines of the Administrative Procedures Act and after consultation with the Ports Security Committee established by the United States Coast Guard. This regulatory authority ceases upon implementation of the federal Maritime Transportation Security Act regulations, currently scheduled for July 2004.
S.C. Code § 54-17-70