§ 10-7700-308. Proceeding to challenge acknowledgment or denial — Commencement — Burden of proof
A. After the period for rescission under Section 15 of this act has expired, a signatory of an acknowledgment of paternity or denial of paternity may commence a proceeding to challenge the acknowledgment or denial only:
1.
On the basis of fraud, duress, or material mistake of fact; and
2.
Within two (2) years after the acknowledgment or denial is executed.
B. A party challenging an acknowledgment of paternity or denial of paternity has the burden of proof, which shall be by clear and convincing evidence.