(2) The department shall attempt to enter into agreements with any person who voluntarily gives custody of a child with a mental or physical disability to the department. Any agreement entered into shall set out the timely and nonadversarial settlement of child support obligations that the person may have with respect to the child. [1979 c.343 §4; 1995 c.502 §1; 1999 c.80 §75; 2003 c.73 §65; 2003 c.576 §445; 2007 c.70 §197]