Each shipment by a freight carrier holding a Certificate of PC&N or FWA must be accompanied by the bill of lading relating thereto or some other procedure authorized by the commission. If two or more trucks are used to transport a single shipment, a separate bill of lading or descriptive instrument must accompany the portion of the shipment contained in each of the trucks and each such bill of lading or descriptive instrument must show, with respect to that portion of the shipment which it accompanies, all information required by 103-159, and must refer specifically to the bill of lading which covers the entire shipment.
S.C. Code Regs. § 103-162