Okla. Stat. tit. 63, § 685.9

Officials authorized to act as Governor pursuant to this act, emergency interim successors and special emergency judges are empowered to exercise the powers and discharge the duties of an office as herein authorized only after an emergency or disaster occurs in the United States, as defined herein, has occurred. The Legislature by concurrent resolution may, at any time, terminate the authority of said emergency interim successors and special emergency judges to exercise the powers and discharge the duties of office as herein provided.