Ind. Code § 31-21-5-10
(a) Subject to local law providing for the confidentiality of procedures, addresses, and other identifying information in a child custody proceeding, each party, in its first pleading or in an attached affidavit, shall provide information, under oath, regarding:
(b) The pleading or affidavit must state the following:
(1) Whether the party has participated, as a party or witness or in any other capacity, in any other proceeding concerning the custody of or visitation with the child and, if so, identify:
(2) Whether the party knows of a proceeding that may affect the current proceeding, including proceedings for enforcement and proceedings relating to:
(D) adoptions;
and, if so, identify the court, the case number, and the nature of the proceeding.
(3) Whether the party knows the names and addresses of a person not a party to the proceeding who:
(B) claims rights of legal custody or physical custody of, or visitation with, the child;
and, if so, the names and addresses of the persons.
As added by P.L.138-2007, SEC.45.