A presumed father may sign a denial of his paternity. The denial is valid only if:
1. An acknowledgment of paternity signed, or otherwise authenticated, by another man is filed pursuant to Section 20 of this act;
2. The denial is in a record, and is signed, or otherwise authenticated, under penalty of perjury;
3. The presumed father has not previously:
4. The denial is signed not later than two (2) years after the birth of the child.
Added by Laws 2006, c. 116, § 11, eff. Nov. 1, 2006.