315 ILCS 20/36

Nothing in this Act shall be construed to alter the provisions of the statutes of this State with reference to zoning and planning. The Redevelopment Commission shall not approve a Development Plan or the operation of a Development by a Neighborhood Redevelopment Corporation in contravention of any zoning ordinance or in contravention of the official plan of the city, village or incorporated town or, in the absence of an official plan, of the plan, if any, adopted by the Plan Commission, if any, of the city, village or incorporated town as evidenced by a report on such adopted plan prepared by such Plan Commission and on file with the Redevelopment Commission.