N.C. Gen. Stat. § 89E-13

Each geologist licensed hereunder, upon the issuance of a license, shall obtain from the secretary at a cost prescribed by the Board, a seal of the design authorized by the Board bearing the licensee's name and the legend "Licensed Geologist - State of North Carolina". All drawings, reports or other geologic papers or documents involving geologic work as defined in this Chapter which shall have been prepared or approved by a licensed geologist or a subordinate employee under his direction for the use of or for delivery to any person or for public record within this State shall be signed by him or her and impressed with the said seal or the seal of a nonresident practicing under the provisions of this Chapter, either of which shall indicate his or her responsibility therefor.