S.C. Code Regs. 38-383.93. Endorsements

(a) General. In addition to taking and passing the knowledge and skills tests described in Subpart G of 38-382, all persons who operate or expect to operate the type(s) of motor vehicles described in paragraph (b) shall take and pass specialized tests to obtain each endorsement. The State shall issue CDL endorsements only to drivers who successfully complete the tests. (b) Endorsement descriptions. An operator must obtain State issued endorsements to his/her CDL to operate commercial motor vehicles which are: (1) Double/triple trailers; (2) Passenger vehicles; (3) Tank vehicles; or (4) Used to transport hazardous material as defined in Regulation 38-383.5. (c) Endorsement testing requirements. The following tests are required for the endorsements contained in paragraph (b): (1) Double/Triple Trailers a knowledge test; (2) Passenger a knowledge and a skills test; (3) Tank vehicle a knowledge test; and (4) Hazardous Materials a knowledge test.