Each ordinance or resolution establishing, amending, revising, changing or repealing zoning classifications, districts, uses, or regulations shall be referred to the Planning Commission immediately after its first reading.
Within thirty days of such referral, the Planning Commission shall cause such ordinance or resolution to be returned to the Clerk of Council together with the written recommendations of the majority of the members of such commission.
No such ordinance or resolution which violates, differs from, or departs from the written recommendation of the Planning Commission shall take effect unless passed and approved by a vote of not less than two-thirds of all members elected to Council.