(65 ILCS 5/7-1-23) (from Ch. 24, par. 7-1-23)
    Sec. 7-1-23. Upon the annexation of the whole of a municipality to another municipality, all policemen and firemen lawfully in the employ of the annexed municipality shall be transferred to and become a part of the police department and fire department, respectively, of the annexing municipality.
(Source: Laws 1961, p. 576.)