Illinois General Assembly Statutory Text (Verbatim)
Source: ilga.gov ->Sec. 31-4.5. Obstructing identification.
(a) A person commits the offense of obstructing identification when he or she intentionally or knowingly furnishes a false or fictitious name, residence address, or date of birth to a peace officer who has:
(1) lawfully arrested the person;
(2) lawfully detained the person; or
(3) requested the information from a person that the peace officer has good cause to believe is a witness to a criminal offense. (b) Sentence. Obstructing identification is a Class A misdemeanor.
(Source: P.A. 96-335, eff. 1-1-10.)