(750 ILCS 46/302)
    Sec. 302. Execution of voluntary acknowledgment.
    (a) A voluntary acknowledgment described in Section 301 of this Act must:
        (1) be in a record;
        (2) be signed, or otherwise authenticated, under
penalty of perjury by the mother and by the man seeking to establish his parentage;
        (3) state that the child whose parentage is being
            (A) does not have a presumed parent, or has a
presumed parent whose full name is stated; and
            (B) does not have another acknowledged or
adjudicated parent;
        (4) be witnessed; and
        (5) state that the signatories understand that the
voluntary acknowledgment is the equivalent of a judicial adjudication of parentage of the child and that: (i) a challenge by a signatory to the voluntary acknowledgment may be permitted only upon a showing of fraud, duress, or material mistake of fact; and (ii) a challenge to the voluntary acknowledgment is barred after 2 years unless that period is tolled pursuant to the law.
    (b) An acknowledgment is void if it:
        (1) states that another person is a presumed parent,
unless a denial signed or otherwise authenticated by the presumed parent is filed with the Department of Healthcare and Family Services, as provided by law;
        (2) states that another person is an acknowledged or
adjudicated parent; or
        (3) falsely denies the existence of a presumed,
acknowledged, or adjudicated parent of the child.
    (c) A presumed father may sign or otherwise authenticate a voluntary acknowledgment.
(Source: P.A. 99-85, eff. 1-1-16; 99-769, eff. 1-1-17.)