Okla. Stat. tit. 21, § 1582

Any officer or agent of any corporation, municipal or otherwise, of any joint stock association formed or existing under or by virtue of the laws of this state, or of any other state, government or country, who, within this state, willfully signs or procures to be signed with intent to issue, sell or pledge, or cause to be issued, sold or pledged, or who willfully issues, sells or pledges, or causes to be issued, sold or pledged, any false or fraudulent bond or other evidence of debt against such corporation or association of any instrument purporting to be a bond or other evidence of debt against such corporation or association, the signing, issuing, selling or pledging of which has not been duly authorized by the board of directors or common council or other managing body of officers of such corporation having authority to issue the same, is guilty of forgery in the second degree, a Class D1 felony offense.