Okla. Stat. tit. 56, § 56-201: Group hospitalization insurance

The Department of Public Welfare is hereby authorized to procure

group hospitalization and medical care insurance in any of the forms

customarily issued by any company or companies, association or

associations authorized to do business in the State of Oklahoma for

all persons eligible to receive old age assistance under the

provisions of subsection (a) of Section 4 of the Oklahoma Social

Security Act, at a rate not to exceed the amount of the actual

costs.