Okla. Stat. tit. 36, § 6955
Any existing Oklahoma licensed domestic health maintenance organization that amends its Certificate of Incorporation and is approved as a nonprofit health maintenance organization corporation by the Insurance Commissioner may utilize its existing contracts, forms and rates already on file with the Commissioner. Historical Data Laws 2014, HB 3280, c. 272, § 4, emerg. eff. July 1, 2014.