N.C. Gen. Stat. § 55A-1-31
The Secretary of State may propound to any domestic or foreign corporation which the Secretary of State has reason to believe is subject to the provisions of this Chapter, and to any officer or director thereof, any written interrogatories as may be reasonably necessary and proper to enable the Secretary of State to ascertain whether the corporation is subject to the provisions of this Chapter or has complied with all the provisions of this Chapter applicable to it. The interrogatories shall be answered within 30 days after the mailing thereof, or within such additional time as shall be fixed by the Secretary of State, and the answers thereto shall be full and complete and shall be made in writing and under oath. If the interrogatories are directed to an individual, they shall be answered by the individual, and if directed to a corporation, they shall be answered by the presiding officer of the board of directors, the president, or by another officer of the corporation. The Secretary of State shall certify to the Attorney General, for such action as the Attorney General may deem appropriate, all interrogatories and answers thereto which disclose a violation of any of the provisions of this Chapter, requiring or permitting action by the Attorney General.
N.C. Gen. Stat. § 55A-1-31