It shall be unlawful for any person to sell or offer for sale at retail or trade or transfer from or to Oklahoma residents any passenger vehicle which is manufactured or assembled commencing with the 1966 models, unless such vehicle is equipped with safety belts or safety shoulder harness combinations which are installed for the use of persons in the left front and right front seats thereof.
Laws 1965, c. 86, § 1, emerg. eff. May 5, 1965.