Okla. Stat. tit. 47, § 47-6-309: Operation of Class D motor vehicle under Class A, B or C

commercial license.

Notwithstanding any other provision of law, any person who

lawfully possesses a valid Oklahoma Class A, B or C commercial

license shall be entitled to operate a Class D motor vehicle or

motorcycle or motor-driven cycle in accordance with the driver

license granted and the endorsements thereon until the expiration of

said license, except for any period of time in which the license has

been canceled, suspended or revoked.