585.31—Scope.
This part establishes requirements for manufacturers of passenger cars, and of trucks, buses and multipurpose passenger vehicles with a gross vehicle weight rating (GVWR) of 3,856 kilograms (kg) (8,500 pounds (lb)) or less, to submit a report, and maintain records related to the report, concerning the number of such vehicles that are certified as complying with S19, S21, and S23 of FMVSS No. 208 ( 49 CFR 571.208) when using the child restraint systems specified in Appendix A-1 of this standard.