S.C. Code Ann. § 12-28-110
As used in this chapter:
(41) "Motor vehicle" means a vehicle that is propelled by an internal combustion engine or motor and is designed to permit the vehicle's mobile use on highways. It does not include:
(43) "Permissive supplier" means a person who does not meet the geographic jurisdictional connections to this State required of a supplier as defined in Section 12-28-920(A), but who:
(53)
(a) "Supplier" means a person who meets all the following conditions:
(iii) is one of the following:
1. is the "position holder" in a terminal or refinery in this State;
2. imports taxable motor fuel into this State from a foreign country;
3. acquires taxable motor fuel from a terminal or refinery in this State from a position holder pursuant to a "two-party exchange";
4. is the position holder in a terminal or refinery outside this State with respect to taxable motor fuel which that person imports into this State on his account.
(57)
(59) "Throughputter" means a person who does all of the following: