Okla. Stat. tit. 44, § 50
The Inactive National Guard of this state shall consist of such federally recognized officers and men as may be placed therein under the provisions of and in accordance with pertinent National Guard regulations. The administration of the Inactive National Guard shall be in accordance with applicable National Guard regulations.
Laws 1951, HB 502, c. 1, p. 117, art. 3, § 10, emerg. eff. May 16, 1951.