Okla. Stat. tit. 2, § 16-71.4
Unless otherwise agreed in writing, the provisions of Sections 27 and 28 of this act shall be deemed applicable to the duties and liability of an owner of land which is used primarily for farming or ranching activities, is on or adjoins land entered upon the National Register of Historic Places and for which an easement has been granted to the Oklahoma Historical Society, or is leased to the state or any subdivision thereof for recreational purposes.
Laws 1965, HB 679, c. 384, § 4, emerg. eff. June 30, 1965; Amended by Laws 1994, HB 2045, c. 38, § 1, emerg. eff. April 11, 1994; Amended by Laws 2004, HB 2661, c. 368, § 29, eff. November 1, 2004 (superseded document available); Renumbered from 76 O.S. § 13 by Laws 2004, HB 2661, c. 368, § 67, eff. November 1, 2004.