Child Restraint systems other than harnesses, restraints designed for use by children with physical disabilities, school bus child restraint systems, and booster seats This final rule responds to petitions for reconsideration of the June 2022 final rule establishing Federal Motor Vehicle Safety Standard (FMVSS) No. 213a and the December 2023 https://canvas.instructure.com/eportfolios/3600388/entries/13243085