N.C. Gen. Stat. § 57D-1-31
The Secretary of State may propound to any limited liability company that the Secretary of State has reason to believe is subject to the provisions of this Chapter, and to any manager or other company official thereof, such written interrogatories as may be necessary and proper to enable the Secretary of State to ascertain whether the limited liability company has complied with all of the provisions of this Chapter applicable to it. Subject to applicable jurisdictional requirements, the interrogatories must be answered within 30 days after the mailing thereof, or within such additional time as the Secretary of State may fix, and the answers thereto must be full and complete and made in writing and under oath. If the interrogatories are directed to an individual, they must be answered by the individual, and if directed to a limited liability company, they must be answered by a manager or other company official thereof. The Secretary of State shall certify to the Attorney General for such action all interrogatories and answers thereto that disclose a violation of any of the provisions of this Chapter requiring or permitting action by the Attorney General.
N.C. Gen. Stat. § 57D-1-31