Ind. Code § 31-17-2-3 : FAMILY LAW AND JUVENILE LAW — FAMILY LAW: CUSTODY AND VISITATION RIGHTS — ACTIONS FOR CHILD CUSTODY AND MODIFICATION OF CHILD CUSTODY ORDERS —17-2-3 - Commencement of proceeding TEXT PDF A child custody proceeding is commenced in the court by: (1) a parent by filing a petition under IC 31-15-2-4, IC 31-15-3-4, or IC 31-16-2-3; or (2) a person other than a parent by filing a petition seeking a determination of custody of the child. IC 31-17-2-3 Pre-1997 Recodification Citation: 31-1-11.5-20(a) part. As added by P.L. 1-1997, SEC.9.