(620 ILCS 25/15) (from Ch. 15 1/2, par. 48.15)
    Sec. 15. Incorporation within comprehensive zoning regulations.
    In the event that a political subdivision has adopted, or hereafter adopts, a comprehensive zoning ordinance regulating, among other things, the height of buildings, any airport zoning regulations applicable to the same area or portion thereof, may be incorporated in and made a part of such comprehensive zoning regulations, and be administered and enforced in connection therewith.
(Source: Laws 1945, p. 317.)