Okla. Stat. tit. 63, § 63-1-1703: Old licenses continued in effect

Any license heretofore issued by the State Commissioner of

Health, State Board of Health or the State Department of Health that

has not expired when this Code becomes effective shall remain valid

for the purpose issued, and it shall not be necessary for the holder

thereof to obtain another license required by this Code for a

similar purpose, until the term for which the former license was

issued has expired, unless such license is revoked or suspended for

cause as provided in this Code.