Conformance with Title. All departments, officials and public employees of the city vested with the duty or authority to issue permits, approvals, clearances, or licenses shall conform to the provisions of this title and shall issue no such permit, approval, clearance, or license for uses, buildings, or any purposes where the same would be in conflict with the provisions of this title. Such permit, approval, clearance, or license, if issued in conflict with the provisions of this title, shall be null and void.