20 ILCS 1807/86: Article 86. Absence without leave.

Any person subject to this Code who, without authority:

(1) fails to go to his appointed place of duty at the time prescribed;

(2) goes from that place; or

(3) absents himself or remains absent from his unit, organization, or place of duty at which he is required to be at the time prescribed;

shall be punished as a court-martial may direct.