Okla. Stat. tit. 43A, § 43A-4-205: Payment by guardian - Collection by legal proceeding

A. If a guardian has been appointed for the estate of a

consumer in a facility within the Department of Mental Health and

Substance Abuse Services, the court shall order the guardian to pay

the amount of the state’s claim for care and treatment.

B. If no guardian has been appointed, the claim of the state

against a consumer for the care and treatment of the consumer may be

collected by suit or other proceedings against the consumer brought

in the name of the state by the district attorney of the county from

which said consumer was sent or any county in which the consumer may

have property.

C. The claim of the state against a husband, wife, the parents

and the children of any consumer for care and treatment of the

consumer may be collected by suit or other proceedings in the name

of the state against the husband, the wife, a parent, a child, or

any two or more of them.