Authorizing the installation of approved lap or lap and shoulder seat belts on school buses; requiring the commissioner of transportation (DOT) to prescribe standards for design and installation of the belts; requiring passengers on school buses equipped with the belts to use the belts, requiring parental notice for exemption; exempting school bus operators or employees or volunteers from liability for injuries or wrongful death for failure to wear the belts or for failure to assist a child with belt adjustment, fastening or unfastening; specifying a minimum seat back height requirement for school buses manufactured after a certain date with lap or lap and shoulder belts and authorizing a certain length; requiring school bus safety training in schools to provide appropriate training on the use of the belts; requiring the model school bus safety training program of the commissioner of children, families and learning to include information on the appropriate use of the belts; requiring school boards adopting a policy requiring the use of seat belts on school buses to annually notify parents or guardians of the policy and training procedures(ra)