S.C. Code Ann. § 12-37-145 — Motor vehicle registration; boundary clarification

(A) An individual whose state of residency changes from North Carolina to South Carolina solely as a result of the boundary clarification, as contained in the amendments in Section 1-1-10, effective January 1, 2017, must register his motor vehicle as a new resident of South Carolina in accordance with Section 56-3-210, and pay property taxes in accordance with Chapter 37, Article 21, Title 12. For purposes of this section, an individual's residency must be determined on the date of the boundary clarification, which is January 1, 2017.
(B) A business with motor vehicles whose business location changes from North Carolina to South Carolina solely as a result of the boundary clarification is considered to have moved into South Carolina on January 1, 2017, and must register its motor vehicles in accordance with South Carolina law for moving business property into South Carolina based on the date of the boundary clarification, which is January 1, 2017, and personal property taxes for motor vehicles must be paid in accordance with Article 21, Chapter 37, Title 12.
(C) Refunds for motor vehicle personal property taxes for persons whose residency or business location is changed from South Carolina to North Carolina as a result of the boundary clarification, must be provided, if applicable, on a prorated basis in accordance with Section 12-37-2620.