(75 ILCS 10/2) (from Ch. 81, par. 112)
    Sec. 2. Definitions. As used in this Act:
    "Library system" means any one of the following:
        (1) A multitype library system serving (i) a minimum of 150,000 inhabitants or (ii) an
    
area of not less than 4,000 square miles and serving a minimum 10 or more public libraries, elementary and secondary school libraries, institutions of higher education libraries, and special libraries.
        (2) A public library system consisting of a single public library serving a city of over
    
500,000 population.
        (3) A multitype library system that serves the same territory as a library system under
    
subparagraph (2) of this definition that provides service to elementary and secondary school libraries, institutions of higher education libraries, and special libraries.
    "Special library" includes, but is not limited to, libraries with unique collections or specialized services recognized by the State Library.
(Source: P.A. 93-527, eff. 8-14-03.)