Front seat belts were compulsory equipment on all new cars registered in the UK from 1972, although it did not become compulsory for them to be worn until 1983. This law was for all vehicles, … ... saying the evidence suggested only a tiny proportion of front seat passengers would suffer worse injuries if they were restrained by seat belts. The first seat belt law—federal law Title 49 of the United States Code, Chapter 301, Motor Vehicle Safety Standard—took effect in 1968. By the following year, most U.S. manufacturers provided lap belts in the front seat. When Did Seat Belts Become Mandatory? Most seat belt laws in the United States are left to the states and territories. Laws requiring the fitting of seat belts to cars have in some cases been followed by laws mandating their use, with the effect that thousands of deaths on the road have been prevented. I don't know what year the seatbelts changed to being one. Laws requiring the fitting of seat belts to cars have in some cases been followed by laws mandating their use, with the effect that thousands of deaths on the road have been prevented. The entirety of the law can be viewed at the Michigan State Police website. The first country to introduce the legislation of compulsory seat belts was Australia in 1970, with many other countries following shortly after. Seat belts are among the most common and effective safety devices ever invented. Although history shows a heightened public awareness about seat belt safety, in the United States some American automakers wanted to offer seat belts as optional equipment in their vehicle lines, few customers ordered seat belts and they were never made standard equipment in American cars until the mid 1960's. Seat belts became mandatory in Michigan since July 1, 1985. European carmakers required safety belts in the front seat in 1965, and in 1967, seat belts become standard for all cars built in the United Kingdom (British cars were required to feature the three-point system). The first seat belt law—federal law Title 49 of the United States Code, Chapter 301, Motor Vehicle Safety Standard—took effect in 1968. However, 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 (except buses) to be fitted with seat belts … Seat belt legislation requires the fitting of seat belts to motor vehicles and the wearing of seat belts by motor vehicle occupants to be mandatory. Seat belts were optional in trucks until 1968, regardless of manufacturer. Yet, the use of seat belts didn’t become mandatory until each state in the U.S. established their own seat belt … Seat belts became mandatory in Michigan since July 1, 1985. Rear seat belts were compulsory equipment from 1986 and became compulsory for them to be worn in 1991. When Did Using Car Seat Belts Become Mandatory? Since their introduction, seat belts have saved countless lives and prevented many injuries. In Canada, seat belts were made compulsory in 1976. The entirety of the law can be viewed at the Michigan State Police website. But making it mandatory to wear seat belts has been a slow process, as they were …