Okla. Stat. tit. 47, § 12-203.4
Any motor vehicle operated at a speed of twenty (20) miles per hour or less may be operated under the conditions specified in subsection B of Section 12-201 of this title when equipped with two lighted lamps upon the front thereof capable of revealing persons and objects one hundred (100) feet ahead in lieu of lamps required in Section 12-203 or 12-223 of this title.
Laws 1961, HB 556, p. 401, § 12-225; Renumbered from 47 O.S. 11-225 by Laws 2000, HB 1960, c. 189, § 13, emerg. eff. July 1, 2000; Amended by Laws 2003, SB 633, c. 411, § 42, eff. November 1, 2003 (superseded document available); Renumbered from 47 O.S. § 12-225 by Laws 2003, SB 633, c. 411, § 85, eff. November 1, 2003.