(20 ILCS 1815/25) (from Ch. 129, par. 253)
    Sec. 25. Each enlisted man leaving the service for any authorized reason shall immediately receive a formal discharge certificate signed by the commander of the regiment or independent battalion to which he belongs, or if attached to the staff of a general officer, then by that officer.
    Discharges from service shall be given to an enlisted man for the following reasons: (1) Expiration of term of service; (2) written application for good and sufficient reasons, approved by the unit and regimental commanders; (3) sentence of a court martial, approved by the officer convening the court; (4) conviction of a felony by a civil court; (5) absence without leave from five consecutive drills; (6) inefficiency or neglect of duty; (7) disobedience, or disrespect to an officer or a non-commissioned officer; (8) physical disability not incurred in line of duty; or (9) induction into Federal military service.
(Source: Laws 1951, p. 1999.)