A motor carrier registering a large commercial motor vehicle or bus must pay the road use fee due on the vehicle at the time and in the manner the person pays the registration fees on the vehicle pursuant to Section 56-3-660. A person choosing to pay registration fees on a large commercial motor vehicle or bus in quarterly installments pursuant to Section 56-3-660 also must pay the road use fee on the vehicle in the same quarterly installments.
S.C. Code § 12-37-2840