N.C. Gen. Stat. § 131A-22

If any member, officer or employee of the Commission shall be interested either directly or indirectly, or shall be an officer or employee of or have an ownership interest in any firm or corporation interested directly or indirectly, in any contract with the Commission, such interest shall be disclosed to the Commission and shall be set forth in the minutes of the Commission, and the member, officer or employee having such interest therein shall not participate on behalf of the Commission in the authorization of any such contract.