235 ILCS 5/9-8
The status of all the territory within any political subdivision or precinct, relative to the sale at retail of alcoholic liquor, or the sale at retail of alcoholic liquor other than beer containing not more than 4% of alcohol by weight, or the sale at retail of alcoholic liquor containing more than 4% of alcohol by weight except in the original package and not for consumption on the premises, as the case may be, shall remain the same, notwithstanding any change which may be made in the limits of any such political subdivision or precinct until the voters thereof have changed such status as to annexed or disconnected areas under the provisions of Section 9-9 of this Article, or until the voters have changed such status for areas other than annexed or disconnected areas under the provisions of Section 9-2 or Section 9-10.
235 ILCS 5/9-8