No owner shall use or permit the use of any structure, building or land or part thereof, hereafter created, erected, changed, converted or enlarged wholly or partly, until a zoning certificate has been issued by the Zoning Inspector. The zoning certificate shall show that such building or premises or a part thereof, and the proposed use thereof, are in conformity with the provisions of this Zoning Ordinance. It shall be the duty of the Zoning Inspector to issue a zoning certificate, provided he is satisfied that the structure, building or premises, the proposed use thereof, and the proposed methods of water supply and disposal of sanitary wastes, conform with all the requirements of this Ordinance.