In instances where a zoning change is involved, the required public hearing shall be held by the Planning Commission with a recommendation to Council for ordinance enactment by Council, unless the same has already been enacted by Council. In the case of land to be annexed to the present corporation limits of the City at the time of approval of the final plat, a request for amendment of the Zoning Code to include the annexed land in accordance with the final plat map shall be submitted and the procedures of Section 1240.06 shall apply.