Okla. Stat. tit. 59, § 59-731.3: Unlicensed person not to hold himself out as qualified

Except as authorized by the provisions of Sections 492 and 731.5

of this title and Section 5 of this act, no person shall in any

manner engage in, offer to engage in, or hold himself out as

qualified to engage in the diagnosis and/or treatment of any human

ill unless such person is the holder of a legal and unrevoked

license or certificate issued under the laws of Oklahoma authorizing

such person to practice the healing art covered by such license and

is practicing thereunder in the manner and subject to the

limitations provided by the laws of the State of Oklahoma for the

issuance of such license or certificate for the practice thereunder.