Okla. Stat. tit. 30, § 4-751
When the income of an estate under guardianship is not sufficient to maintain the ward and his family, or to maintain and educate the ward when a minor, his guardian may sell the real or personal estate of the ward for that purpose, upon obtaining an order therefor.
R.L. 1910, § 6553; Amended by Laws 1988, HB 1078, c. 329, § 99, eff. December 1, 1988; Renumbered from 58 O.S. § 821 by Laws 1988, HB 1078, c. 329, § 134, eff. December 1, 1988.