Mo. Rev. Stat. § 307.255: Legislative findings.

The general assembly finds that:

(1) The public safety necessitates the continuous development, modernization and implementation of standards and requirements of law relating to vehicle equipment, in accordance with expert knowledge and opinion;

(2) The public safety further requires that such standards and requirements be uniform from jurisdiction to jurisdiction, except to the extent that specific and compelling evidence supports variation;

(3) The director of revenue, acting upon recommendation of the vehicle equipment safety commission and pursuant to the vehicle equipment safety compact provides a just, equitable and orderly means of promoting the public safety in the manner and within the scope contemplated by sections 307.250 to 307.295.