Denial of parentage

(750 ILCS 46/303)     Sec. 303. Denial of parentage. A presumed parent may sign a denial of parentage. The denial is valid only if:         (a) a voluntary acknowledgment described in Section     301 of this Act signed, or otherwise authenticated, by a person is filed pursuant to Section 305 of this Act;         (b) the denial is in a record, and is signed, or     otherwise authenticated, under penalty of perjury; and         (c) the presumed parent has not previously:             (1) acknowledged parentage, unless the previous         voluntary acknowledgment has been rescinded under Section 307 of this Act or successfully challenged under Section 308 of this Act; or             (2) been adjudicated to be the parent of the         child. (Source: P.A. 104-448, eff. 1-1-26.)