All department officials and public employees of the City of Petaluma vested with the duty or authority to issue permits shall conform to the provisions of this Ordinance and shall issue no permit, certificate, or license for uses, buildings, or purposes in conflict with the provisions of this Ordinance; and any such permit, certificate, or license issued in conflict with the provisions of this Ordinance, intentionally or otherwise, shall be null and void. It shall be the duty of the Zoning Administrator (Director) and the Building Official of the City of Petaluma to enforce the provisions of this ordinance pertaining to the erection, construction, reconstruction, moving, conversion, alteration, or addition to any building or structure and the use of any land, building, or premise.