Child Booster Seat Requirements

booster seat
An infant safety seat, also known as a child safety seat, a child restraint system, a restraint car seat, or ambiguously just as a car seat, is a restraint which is secured to the seat of an automobile equipped with safety harnesses to hold an infant or small stature people in the event of a crash.
(Booster Seats) Booster seats are not permitted in any Spaceships vehicle.
(Booster Seats) Are intended to be used as a transition to lap and shoulder belts by older children who have outgrown convertible seats (over 40 pounds). They are available in high backs, for use in vehicles with low seat backs or no head restraints, and no-back; booster bases only.
An extra seat or cushion placed on an existing seat for a small child to sit on

requirements
(require) command: make someone do something
necessitate: require as useful, just, or proper; "It takes nerve to do what she did"; "success usually requires hard work"; "This job asks a lot of patience and skill"; "This position demands a lot of personal sacrifice"; "This dinner calls for a spectacular dessert"; "This intervention does not
A thing that is compulsory; a necessary condition
A thing that is needed or wanted
(require) ask: consider obligatory; request and expect; "We require our secretary to be on time"; "Aren't we asking too much of these children?"; "I expect my students to arrive in time for their lessons"

child
a human offspring (son or daughter) of any age; "they had three children"; "they were able to send their kids to college"
an immature childish person; "he remained a child in practical matters as long as he lived"; "stop being a baby!"
A young human being below the age of full physical development or below the legal age of majority
A son or daughter of any age
a young person of either sex; "she writes books for children"; "they're just kids"; "`tiddler' is a British term for youngster"
An immature or irresponsible person