Incredible Car Seat Laws Missouri 2022. Subsection 2 (1) and (2), the missouri law requires a child who is under 4 years old or weighing less than. Children ages 4 through 7 who weigh at.
Missouri requires children to ride in a car seat or booster seat until they reach 4’9″ or 8 years old or 80 pounds. Subsection 2 (1) and (2), the missouri law requires a child who is under 4 years old or weighing less than. (rsmo 307.179) children less than 4 years old or less than 40 pounds must be in an appropriate child safety seat.
