S.C. Code Ann. § 23-36-70

Any sheriff, police department, or law enforcement officer shall give immediate notice to the State Fire Marshal of any theft, illegal use, or illegal possession of explosive materials and shall forward a copy of his final written report to the State Fire Marshal. Any dealer or blaster who knows that explosive materials in his possession have been stolen or otherwise misappropriated shall notify immediately the nearest sheriff's office or police department and the State Fire Marshal. Each dealer and blaster must physically inspect all magazines at least once every seven days to insure security of all explosive materials.