As used in ORS § 418.480 to 418.500, ‘purchase of care’ includes the purchase of institutional and foster family care and services, adoptive services, services provided by Strengthening, Preserving and Reunifying Families programs under ORS § 418.575 to 418.598, services to the unwed mother and her child and such other care and services as the Department of Human Services shall determine to be necessary to carry out the policy stated in ORS § 418.485. [1971 c.457 § 1; 2001 c.900 § 119; 2011 c.568 § 9]