The Child Passenger Safety Law requires children who are under the age of four and weighing less than ____ to be restrained in a federally-approved safety system.

The Child Passenger Safety Law requires children who are under the age of four and weighing less than 40 pounds to be restrained in a federally-approved safety system. This may be a rear-facing or forward-facing seat with a five-point harness and must be in the rear seat of the vehicle.