Okla. Stat. tit. 18, § 1093
MORTGAGE OR PLEDGE OF ASSETS
The authorization or consent of shareholders to the mortgage or pledge of a corporation's property and assets shall not be necessary, except to the extent that the certificate of incorporation otherwise provides.
Laws 1986, HB 1979, HB 1979, c. 292, § 93, eff. November 1, 1986.