(720 ILCS 5/11-1.70) (was 720 ILCS 5/12-17)
    Sec. 11-1.70. Defenses with respect to offenses described in Sections 11-1.20 through 11-1.60.
    (a) It shall be a defense to any offense under Section 11-1.20, 11-1.30, 11-1.40, 11-1.50, or 11-1.60 of this Code where force or threat of force is an element of the offense that the victim consented. "Consent" means a freely given agreement to the act of sexual penetration or sexual conduct in question. Lack of verbal or physical resistance or submission by the victim resulting from the use of force or threat of force by the accused shall not constitute consent. The manner of dress of the victim at the time of the offense shall not constitute consent.
    (b) It shall be a defense under subsection (b) and subsection (c) of Section 11-1.50 and subsection (d) of Section 11-1.60 of this Code that the accused reasonably believed the person to be 17 years of age or over.
    (c) A person who initially consents to sexual penetration or sexual conduct is not deemed to have consented to any sexual penetration or sexual conduct that occurs after he or she withdraws consent during the course of that sexual penetration or sexual conduct.
(Source: P.A. 96-1551, eff. 7-1-11.)