A presumed father may sign a denial of his paternity. The denial is valid only if:

1. 1. An acknowledgment of paternity signed, or otherwise authenticated, by another man is filed pursuant to Section 20 of this act;
2. 2. The denial is in a record, and is signed, or otherwise authenticated, under penalty of perjury;

3. 3. The presumed father has not previously:

   1. a. acknowledged his paternity, unless the previous acknowledgment has been rescinded pursuant to Section 15 of this act or successfully challenged pursuant to Section 16 of this act, or
   2. b. been adjudicated to be the father of the child; and
4. 4. The denial is signed not later than two (2) years after the birth of the child.

Laws 2006, HB 2967, c. 116, § 11, eff. November 1, 2006.