The child restraint law requires all children under the age of ____ to be placed in an approved child restraint device while in a moving vehicle.

When in a moving vehicle, a child under one year old, or weighing less than 20 pounds, must be in a child passenger restraint system that is facing the rear of the car. Children who are between one and three years old, and who weigh more than 20 pounds, must be in a child passenger restraint system that is facing forward. Children who are between four and eight years old, and under 4' 9" tall, must be in a belt positioning booster seat system and wearing a seat belt.
DMV Writen Test