S.C. Code Ann. § 40-77-290: Seal.

Upon registration, each registered professional geologist shall obtain a seal of the design authorized by the board, bearing his name, assigned serial number, and the title "registered professional geologist". All drawings, reports, or other geologic papers or documents involving geologic work which have been prepared or approved by a registered professional geologist or a subordinate employee under the geologist's direction for the use of or for delivery to a person or for public record within this State must be signed by the registered professional geologist and impressed with his seal or the seal of a nonresident practicing under the provisions of this chapter.