It shall be unlawful for an owner, tenant or occupant to use or to 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 permit has been issued by the Zoning Officer. Such zoning permit shall show that such building or premises or part thereof and the proposed use thereof are in conformity with the provisions of this chapter or in conformity with the provisions of a variance granted according to law.

Any person desiring to change the use of his premises shall apply to the Zoning Officer for a zoning permit stating, under oath, such facts as required. A copy of the zoning permit shall be kept on file at all times upon the premises affected and shall be displayed upon request of any authorized official.

All zoning permits shall be issued in triplicate, and one copy shall be posted conspicuously on the premises affected whenever construction work is being performed thereon. No owner, contractor, workman or other person shall perform any building operations of any kind unless the zoning permit covering such operation has been previously issued. Furthermore, no building operations of any kind shall be performed after notification of the revocation of said zoning permit. Every zoning permit for a residence or residential dwelling unit shall set forth the maximum occupancy of said residence or dwelling unit as determined from Schedule A annexed to this chapter.[1]