(65 ILCS 5/7-2-17)
(from Ch. 24, par. 7-2-17)
If annexation of any territory is made to a united city, it
shall become a part of the borough to which it is contiguous. If it is
contiguous to 2 or more boroughs, it shall be apportioned between them by
ordinance of the united city.
(Source: Laws 1961, p. 576.)