Indiana Code Title 31. Family Law and Juvenile Law § 31-16-9-1

Sec. 1. (a) This subsection applies before January 1, 2007.  Upon entering an order for support in:

the court shall require that support payments be made through the clerk of the circuit court as trustee for remittance to the person entitled to receive payments, unless the court has reasonable grounds for providing or approving another method of payment.

(b) Beginning January 1, 2007, except as provided in subsection (c), upon entering an order for support in:

the court shall require that support payments be made through the clerk of the circuit court or the state central collection unit established by IC 31-25-3-1, as trustee for remittance to the person entitled to receive payments, unless the court has reasonable grounds for providing or approving another method of payment.

(c) The clerk of the circuit court may only accept child support payments that are paid in cash, and all noncash child support payments must be paid to the state central collection unit established within the child support bureau by IC 31-25-3-1.