Seat belt that required a particular technical approach would rapidly become dated as motor manufacturers would tool up for a particular standard which could not easily be changed. For example, in 1969 there were competing designs for lap and three-point seat belts, rapidly tilting seats, and airbags being developed. But as countries started to mandate seat belt restraints the global auto industry invested in the tooling and standardized exclusively on seat belts, and ignored other restraint designs such as air bags for several decades As of 2016, seat belt laws can be divided into two categories: primary and secondary. A primary seat
Seat belt laws in the United States first state to pass a law which required vehicle occupants to wear seat belts, a law that came into effect on December 1, 1984. Officer Nicholas Cimmino of the Westchester County Department of Public Safety wrote the nation's first ticket for such violation. New Hampshire is the only state that has no enforceable laws for the wearing of seat belts in a vehicle. U.S. seatbelt laws may be subject to primary enforcement or secondary enforcement. Primary enforcement allows a police officer to stop and ticket a driver if he or she observes a violation. Secondary enforcement means that a police