Mo. Rev. Stat. § 307.135
307.135 Director not to license vehicle without safety glass.
307.135. Director not to license vehicle without safety glass. — It shall be the duty of the director of revenue to refuse to issue a license for any motor vehicle manufactured or assembled after January 1, 1936, unless such motor vehicle is equipped as provided in sections 307.130 to 307.160 , with such types of safety glass as have been heretofore approved by the secretary of state or may hereafter be approved by the state highway patrol.
(L. 1945 p. 1194 § 8392b)