At any hearing for the limitation, conditioning, denial of renewal application, suspension or revocation of a registration, or the assessing of a fine the Oklahoma State Bureau of Narcotics and Dangerous Drugs Control shall have the burden of proving by clear and convincing evidence, except where statute has expressly provided for a different burden of proof, that the requirements for such registration are not satisfied pursuant to Title 63 O.S. §§ 2-302 through 2304.
Okla. Admin. Code § 475:1-5-2