Illinois Statutes Chapter 40. Pensions § 5/5-111. Future entrant

(a) A person employed by a city as a policeman for the first time on or after the effective date;

(b) A former policeman of a city who reenters the police service on or after the effective date; and

(c) Effective January 1, 1960, a policeman who qualifies as a future entrant under the “Park Policemen's Annuity Act”,  1 whose employment as a policeman has been transferred to the police service of the city as a result of the “Exchange of Functions Act of 1957”. 2