Okla. Stat. tit. 36, § 36-2691.5: Contracts; investments

A. A certified corporation may contract with any other person

who is licensed and qualified for the purpose of providing

chiropractic services to or for the subscribers but no certified

corporation shall enter into an exclusive or preferential contract

with any person.

B. A certified corporation may contract with any other person

for the cooperative administration or underwriting with regard to

the performance of the obligations created upon it under the

contracts it issues to the subscribers and to participating

chiropractors.

C. A certified corporation may join with, contract with or

become a member of any organization of other chiropractic service or

indemnity corporations, to create, establish or maintain an agency,

group or entity to facilitate the providing of chiropractic services

for subscribers located within or outside the State of Oklahoma.

D. A certified corporation may join with, contract with or

serve in any capacity with any agency of the United States of

America, the State of Oklahoma or any county, city or town, in

connection with any program or undertaking sponsored by one or more

of the above.

E. A certified corporation may invest in such real and personal

property as is reasonably necessary to conduct its business. The

prudent-man test shall be applicable to all such investments.