A. Except as otherwise provided in Sections 15 and 16 of this act,¹ a valid acknowledgment of paternity signed by both parents is equivalent to an adjudication of paternity of a child and confers upon the acknowledged father all of the rights and duties of a parent.

B. Except as otherwise provided in Sections 15 and 16 of this act, a valid denial of paternity by a presumed father when executed in conjunction with a valid acknowledgment of paternity is equivalent to an adjudication of the nonpaternity of the presumed father and discharges the presumed father from all rights and duties of a parent.