The Building Inspector may revoke and require the return of any permit by notifying the permit holder in writing stating the reason for the revocation. Permits shall be revoked for any substantial departure from the approved application, plans, or specifications; for refusal or failure to comply with the requirements of any applicable state law or ordinance of this city; or for false statements or misrepresentations made in securing the permit. Any permit mistakenly issued in violation of an applicable state law or ordinance of this city may also be revoked.
(G.S. § 160A-422)