Indiana Code Title 12. Human Services § 12-14-2-24

(1) initiates a court proceeding to establish paternity, other than an adoption proceeding, except as provided in IC 31-14-20-2;

(2) executes a paternity affidavit under IC 16-37-2-2.1;  or

(3) requests, at the time of application or renewal, that the Title IV-D agency or its agents file a paternity action under IC 31-14-4-3.

(1) the father of the dependent child has been charged with an act of rape, incest, or child molesting that occurred against the dependent child's mother within ten (10) months before the birth of the dependent child;

(2) the mother of the dependent child is deceased;

(3) the division determines under rules adopted by the division under IC 4-22-2 that the mother of the dependent child could not know the identity of the child's father;

(4) the mother of the dependent child provides proof, and the division agrees, that the physical health or safety of the mother or the dependent child would be jeopardized if the mother complies with subsection (a);  or

(5) the dependent child is living in the family home of a relative other than the mother of the child as described under IC 12-14-1-1(a) and the relative provides proof, and the division agrees, that the physical health or safety of the mother, relative, or dependent child would be jeopardized if the relative complies with subsection (a).

(1) Responds to telephone calls from a prosecuting attorney or correspondence from a prosecuting attorney.

(2) Appears for an appointment, in person or by telephone, with a prosecuting attorney.

(3) Appears at a court hearing when requested by a prosecuting attorney.

(4) Does one (1) or more of the following:

(1) Whether the nonparent custodian or guardian could reasonably be expected to provide the information.

(2) The age of the child for whom child support is being sought.

(3) The circumstances surrounding the conception of the child.

(4) The age and mental capacity of the nonparent custodian or guardian.

(5) The time that has expired since the nonparent custodian or guardian has last had contact with:

(6) Any credible information that demonstrates an inability to provide correct information about an alleged father or a parent of the child because of deception by the alleged father or parent.

(7) Any other credible information obtained by the prosecuting attorney that demonstrates the nonparent custodian or guardian has knowledge of the information sought by the prosecuting attorney.