S.C. Code § 56-1-20
No person, except those expressly exempted in this article shall drive any motor vehicle upon a highway in this State unless such person has a valid motor vehicle driver's license issued to him under the provisions of this article. No person shall receive a motor vehicle driver's license unless and until he surrenders to the Department of Motor Vehicles all valid operators' licenses in his possession issued to him by any other state within forty-five days of becoming a resident of this State, unless specifically exempted by law. All surrendered licenses shall be returned by the department to the issuing department, agency, or political subdivision. No person shall be permitted to have more than one valid motor vehicle driver's license or operator's license at any time.
Any person holding a currently valid motor vehicle driver's license issued under this article may exercise the privilege thereby granted upon all streets and highways in the State and shall not be required to obtain any other license to exercise such privilege by any county, municipal, or local board or body having authority to adopt local police regulations; provided, however, that this provision shall not serve to prevent a county, municipal, or local board from requiring persons to obtain additional licenses to operate taxis, buses, or other public conveyances.
S.C. Code § 56-1-20
2023 Act No. 51, Section 40(F), provides as follows:
"[SECTION 40.](F) The remaining SECTIONS of this act, and Sections 56-3-214(A), 56-3-214(B)(1), 56-3-214(B)(2), 56-3-214(B)(3), 56-3-214(G), 56-1-20, 56-23-40, 56-23-60, and 56-23-105 take effect upon approval by the Governor."