S.C. Code Ann. § 56-1-230

Whenever any person after applying for or receiving a driver's license shall move permanently from the address named in such application or in the license issued to him or when the name of a licensee is changed by marriage or otherwise, such person shall within ten days thereafter notify the Department of Motor Vehicles in writing of his old and new address or of such former and new name and of the number of any license then held by him.