what are the requirements for a booster seat?
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Booster seats Ontario's Highway Traffic Act requires children weighing 18 kg to 36 kg (40 to 80 lb.), standing less than 145 cm (4 ft. 9 in.) tall and who are under the age of 8 to use a booster seat or allows the continued use of a forward-facing seat as long as the car seat manufacturer recommends its use.
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Your child is ready for a booster seat when they have outgrown the weight or height limit of their forward-facing harnesses, which is typically between 40 and 65 pounds.
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According to California State Law, children must be seated in the rear seat of a vehicle in an appropriate car seat or booster seat until they are 8 years old or 4'9″ tall. Children must remain in a rear facing car seat until they weigh 40 pounds or more or are at least 40 inches tall.
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All children whose weight or height exceeds the forward-facing limit for their car safety seat should use a belt-positioning booster seat until the vehicle seat belt fits properly, typically when they have reached 4 feet 9 inches in height and are 8 to 12 years of age.
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Using a child car seat or booster seat. Children must normally use a child car seat until they're 12 years old or 135 centimetres tall, whichever comes first. Children over 12 or more than 135cm tall must wear a seat belt.
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Keep your child in each stage for as long as possible. Your child is ready for a booster seat when they have outgrown the weight or height limit of their forward-facing harnesses, which is typically between 40 and 65 pounds.
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​School-aged children All children whose weight or height exceeds the forward-facing limit for their car safety seat should use a belt-positioning booster seat until the vehicle seat belt fits properly, typically when they have reached 4 feet 9 inches in height and are 8 to 12 years of age.
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Children need to ride in a booster seat until the seat belt fits right, when they are at least 4 feet, 9 inches tall, about 80 pounds and 8 years old.
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Age 4 to age 8, and between 40-80 lbs., and no more than 4 ft. 9 in. must be in a forward- or rear-facing child seat in the back seat (if so equipped) or a booster seat.
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Group 3 – High back booster seats This is the car seat that your child will use for the longest time. By law your child should sit in an approved car seat to at least 135cm or 12 years, whichever is the soonest.
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Once the forward-facing seat is outgrown, use a belt-positioning booster seat until the lap and shoulder safety belts fit properly — which is typically when the child reaches at least 4'9” in height, sometime between the ages of 8 and 12. All children under 13 must ride in the back seat.
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A booster seat must be used until nine years of age or until the child is 145 cm (4'9”) tall and weighs 37 kg (81.5 lb).
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Your child should be at least four years old. Your child has reached the minimum requirement of the seat (15kg when approved to ECE R44 or 100cm when approved to UN R129) – this is legally binding by the regulations. Your child has the mental maturity to sit still in the high back booster seat.
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When your child is at least 18 kg (40 lb) and at least 4 years old, and has outgrown their forward-facing car seat with a 5-point harness, they may be ready to move to a belt-positioning booster seat. To safely use a booster seat, your child must be able to sit correctly.
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All children under age 8 must ride in a federally approved car seat or booster seat, unless the child is 4'9" or taller. Car seats must be used according to the manufacturer's instructions, a child passenger restraint system meeting federal motor vehicle safety standards.
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Booster Seats The new law requires children to be in rear-facing infant car seats until they are one year or weigh 20 pounds. After that, they must be in forward-facing child car seats until they are five or weigh 40 pounds, in booster seats until they turn six, and in regular seat belts until they turn 15.
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UK law states that children must use a child car seat until they're 12 years old or 135cm/4ft 5in tall, whichever comes first. Booster seats, or booster cushions, can be legally used as car seats for children, but the rules differ depending on whether products are old or news.