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. 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. Booster Seats: After outgrowing forwardfacing seats, children must use a booster seat until they are 8 years old or 4 feet 9 inches tall. 1. Children under eight years of age, weighing under 100 pounds, and shorter than 4'9" need to use a booster chair in the backseat. 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. Are you looking for a career that fits your interests and allows you to help your community? The printed qualification questionnaire can be filled out in writing and mailed or emailed back to the county Jury Management office. Children who are less than eight years old, less than 100 pounds, and less than 4'9" tall are required to use a booster seat in the rear seat. You are not allowed to attempt more than six road tests in a 12-month period.