Each Canadian province is responsible for their car seat and booster seat laws.
Check the law for the province that you live in.
All provinces have laws that require that a car seat or booster seat be used according to the manufacturer’s instructions.
The law is the minimum safety standard.
You may choose to keep your child in each stage longer as long as they still fit within the height and weight limits for the seat.
Child Safety Link has outlined recommendations to reduce the risk of injury to your child.