A. False Representation: It shall be unlawful for any person to represent falsely himself/herself to be an officer of the City or to attempt to impersonate any such officer or, without authority, perform any official act therein on behalf of an officer. [720 ILCS 5/17-2]
B. Resisting An Officer: It shall be unlawful for any person to interfere wilfully with, resist, delay, obstruct, molest or threaten to molest any officer of the City in the exercise of his/her official duties. [720 ILCS 5/31-1]
C. Refuse To Assist Police Officers: It shall be unlawful for any male citizen over the age of eighteen (18) years to refuse or neglect to render assistance to any police officer when called upon for such assistance or aid in the suppression of riot or other unlawful assemblage or in the arrest of any person who has committed an offense. [720 ILCS 5/31-8] (1997 Code)