(65 ILCS 5/11-12-11)
(from Ch. 24, par. 11-12-11)
If a municipality has adopted an official plan or map
pursuant to the authority granted by this Division 12, the territory
subject to that plan shall be exempt from the application of any less
restrictive rules or regulations adopted by a County Board under the
provisions of Section 5-1042 of the Counties Code.
(Source: P.A. 86-1475.)