Indiana Code Title 12. Human Services § 12-30-4-9

Sec. 9. In those cases in which facilities are available, the board of commissioners may accept individuals in need of care who are able to pay all or part of the costs of care on a voluntary basis.  The board of commissioners of each county maintaining a county home shall periodically determine the reasonable cost of these services and fix charges for each voluntary resident on the basis of the cost of the care and ability of the voluntary resident to pay.