Indiana Code Title 31. Family Law and Juvenile Law § 31-34-4-5

Sec. 5. If the child was not taken into custody under an order of the court, the intake officer shall investigate the reasons for the child's detention.  The intake officer shall release the child to the child's parent, guardian, or custodian upon the person's written promise to bring the child before the juvenile court at a time specified.  However, the intake officer may place the child in detention if the intake officer reasonably believes that the child is a child in need of services and that: