This Zoning Ordinance, including the Zoning Map, may be amended from time to time by the City Council, provided:
A.
No amendment shall become effective unless it shall have been proposed by, or shall have first been submitted to, the Planning Commission for review and recommendation. The Planning Commission shall have 30 days within which to submit its report. If said Commission fails to submit a report within 30 days, it shall be deemed to have approved the requested amendment.
B.
In no instance shall a property owner or owners initiate action for a zoning amendment affecting the same parcel of property, or any part thereof, more often than once every six months.