S.C. Code Ann. § 40-25-140: Business addresses of licensees; notices mailed by department.

(A) A person who holds a license shall notify the department in writing of the regular address of the place where he engages or intends to engage in the practice of specializing in hearing aids.

(B) The department shall keep a record of the place of business of licensees.

(C) Notice required to be given by the department to a person who holds a license must be mailed to him by certified mail at the address of the last place of business of which he has notified the department.