Seat belt laws in the United States

Most seat belt laws in the United States are left to state law. However, the recommended age for a child to sit in the front passenger seat is 13. The first seat belt law was a federal law, Title 49 of the United States Code, Chapter 301, Motor Safety Standard, which took effect on January 1, 1968, that required all vehicles to be fitted with seat belts in all designated seating positions. This law has since been modified to require three-point seat belts in outboard-seating positions, and finally three-point seat belts in all seating positions. Seat belt use was voluntary until New York became the first state to require vehicle occupants to wear seat belts, as of December 1, 1984. New Hampshire is the only state with no law requiring adults to wear seat belts in a vehicle.

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