(20 ILCS 1815/24) (from Ch. 129, par. 252)
    Sec. 24. Any person enlisting, or reenlisting, in the Illinois State Guard shall sign an enlistment paper in the form prescribed by The Adjutant General, and shall take the following oath or affirmation, which may be administered by any duly appointed recruiting officer or any commissioned officer in the Illinois State Guard: "I do solemnly swear (or affirm) that I will bear true allegiance to the United States and to the State of Illinois; that I will support the constitutions and laws thereof, and serve them faithfully; that I will obey orders of the Commander-in-Chief and of such officers as may be placed over me, and the laws, rules and regulations of the Illinois State Guard, so help me God."
(Source: Laws 1951, p. 1999.)