Mo. Rev. Stat. § 210.106: Failure to use passenger restraint system not to be basis for civil actions — evidence inadmissible.

In no event shall failure to employ a child passenger restraint system required by section 307.179 provide the basis for a claim of civil liability or negligence or contributory negligence of any person in any action for damages by reason of injury sustained by a child; nor shall such failure to employ such child passenger restraint system be admissible as evidence in the trial of any civil action.