Child Restraint systems other than harnesses, restraints designed for use by children with physical disabilities, school bus child restraint systems, and booster seats NHTSA has considered the effects of this proposed rule under the Regulatory Flexibility Act. I certify that this proposed rule would not have a significant economic impact https://www.northwestu.edu/?URL=https://www.ledteks.com/seatbelt-and-safety-belt-webbing