Before the Board of Aldermen shall hereafter pass any ordinance enacting original zoning districts and zoning regulations or shall hereafter pass any ordinance which initially rezoned any land hereafter annexed into the corporate limits of the City to a zoning district other than the zoning district of the City which is most comparable to the zoning district of St. Charles County which such land was subject to immediately before such annexation, the Planning and Zoning Commission shall make and submit preliminary and final reports to the Board of Aldermen after conducting public hearings upon public notice in accordance with Section 89.070, RSMo.
Such reports shall be designed to accomplish the purposes described in Section 89.020, RSMo., and Section 89.040, RSMo., and shall include the Planning and Zoning Commission's findings and recommendations for the adoption of a comprehensive land use plan or for the amendment, supplementation or repeal of the land use plan theretofore adopted by the Board of Aldermen and shall also include either the Planning and Zoning Commission's findings and recommendations for the enactment of appropriate original zoning districts and zoning regulations for the regulation of the height, area, bulk, location and use of private and public structures and premises and of population density or the Planning and Zoning Commission's findings and recommendations for the initial rezoning of the land annexed into the corporate limits of the City, whichever is appropriate to the proposed ordinance.