Okla. Stat. tit. 60, § 1004
When any tract of land to be defined by a single description extends from one coordinate zone into other zones, the positions of all points on its boundaries shall be referred to one of the zones, the zone which is used being specifically named in the description.
Laws 1990, HB 1293, c. 138, § 4, eff. November 1, 1990; Amended by Laws 2024, HB 3509, c. 209, § 3, eff. November 1, 2024 (superseded document available).