'Regulation' refers to an instrument which is legislative in nature, is of general effect, has statewide application, is either substantive or procedural, and which is promulgated pursuant to the Administrative Procedures Act. Laws 1974, c. 17, § 2-136, emerg. eff. April 8, 1974; Laws 1991, c. 182, § 10, eff. Sept. 1, 1991.
Oklahoma Legal Code