Okla. Admin. Code § 35:1-11-5
In accordance with statute, no license shall be revoked, suspended, annulled, withdrawn, or its renewal refused, until the licensee is notified by certified mail or by other means of notification as specified in individual proceedings of the facts which warrant the intended action by the Board, and is given an opportunity to achieve compliance with the requirements for petition of the license, and time for achieving compliance shall be that time prescribed by law or if no time is specified, a reasonable time to be determined by the circumstances of the case at the discretion of the Board and specified in the notice. After that lapse of time, if the Board deems the proceedings should continue, the rules governing individual proceedings shall be followed.
Okla. Admin. Code § 35:1-11-5