Okla. Stat. tit. 47, § 1-103
Vehicles of fire departments, ambulances, vehicles specified pursuant to subsection B of Section 1-2512 of Title 63 of the Oklahoma Statutes of licensed ambulance service providers, county sheriff vehicles of sheriffs and full-time commissioned deputies and police vehicles, including vehicles owned and operated by the United States Marshals Service, the Federal Bureau of Investigation, or by any local organization for civil defense as defined by Section 683.3 of Title 63 of the Oklahoma Statutes, are authorized emergency vehicles. Said vehicles shall be equipped with sirens capable of giving audible signals as required by the provisions of Section 12-218 of this title and flashing red lights as authorized by the provisions of Section 12-218 of this title.
Amended by Laws 1983, HB 1104, c. 220, § 1, eff. November 1, 1983; Amended by Laws 1984, HB 1437, c. 29, § 1, eff. November 1, 1984; Amended by Laws 1987, HB 1014, c. 74, § 1, eff. November 1, 1987; Amended by Laws 1991, HB 1083, c. 167, § 1, eff. July 1, 1991.