N.C. Gen. Stat. § 55A-10-30
Approval by third persons.
§ 55A-10-30. Approval by third persons.
The articles of incorporation or bylaws may require an amendment to the articles of incorporation or bylaws to be approved in writing by a specified person or persons other than the board of directors. Such a provision in the articles of incorporation or bylaws may only be amended with the approval in writing of such person or persons.