Ind. Code § 31-19-10-2
A person seeking to withdraw consent to an adoption under section 3 of this chapter or contesting an adoption must give notice of intent to withdraw consent to or contest the adoption to the following persons:
(2) A person whose consent to adoption is required by IC 31-19-9 .
[Pre-1997 Recodification Citation: 31-3-1-6.2.]
As added by P.L.1-1997, SEC.11.