Booster Seats: Use a belt positioning booster seat when your child's weight or height is above the forward-facing limit for the car seat. Any child under the age of 8 years old and a height of 57 inches shall be secured as follows in the rear seat of a motor vehicle.In New York, children should remain in a booster seat until at least age 8. Children in booster seats should remain in the back seat. Children under eight years of age, weighing under 100 pounds, and shorter than 4'9" need to use a booster chair in the backseat. Have a vehicle present to install the car seat or booster seat. Find out car seat laws and booster seat laws in every state and make sure your child is strapped in according to national and state safety standards. Choose your next vehicle rental at great, low rates. You will love our selection of rental cars and rental vans available at US and international locations. Wayne Law accepts applications for admission starting Sept.