Notification of noncustodial and joint custodial parents.

1. When a protective custody, foster care, out-of-home placement or court hearing is initiated, an agency which provides child welfare services shall attempt to notify a noncustodial or joint custodial parent through: (a) A letter to his last known address, return receipt requested; and (b) Contact by telephone, if his telephone number is known by the agency, followed by a letter. 2. The agency shall require a custodial parent to furnish information related to the location of a noncustodial parent.