Ind. Code § 31-19-9-12
A putative father's consent to adoption is irrevocably implied without further court action if the putative father:
(4) is required to but fails to register with the putative father registry established by IC 31-19-5 within the period under IC 31-19-5-12 .
[Pre-1997 Recodification Citation: 31-3-1-6.1(m).]
As added by P.L.1-1997, SEC.11. Amended by P.L.197-1997, SEC.19; P.L.200-1999, SEC.20; P.L.21-2010, SEC.6; P.L.113-2017, SEC.6; P.L.203-2021, SEC.17; P.L.89-2023, SEC.5.