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. State officials require all seats and restraint systems to be certified as outlined under Federal Motor Vehicles Safety Standard 213.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. All children must be restrained in an appropriate child restraint system while riding in a motor vehicle, until they reach their 8th birthday. Entry-level food services jobs are available in school cafeterias. Positions are citywide and based on geographical locations. The state of New York requires all children eight and under to be restrained in an appropriate car or booster 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.