Okla. Stat. tit. 2, § 1027
A member of the commission shall be removable by the Governor for cause. In addition to all other causes, a member ceasing to be a resident of the state, live in the district from which he was appointed, or actually be engaged in growing wheat in the state shall be deemed sufficient cause for removal from office.
Laws 1965, HB 508, c. 59, § 7, emerg. eff. April 7, 1965.