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
Norman Fowler, Baron Fowler on account of the cost. Upon Margaret Thatcher becoming Prime Minister in 1979, she did not immediately appoint Fowler to her Cabinet, explaining: "we were short of one place. As a result, Norman Fowler, as Minister of State at Transport, was not able to be an official member of the Cabinet, although he attended all our meetings." As Secretary of State for Transport, Fowler drove through Lord Nugent's 1981 bill to make seat belts compulsory, a law that came into force in 1983. As Secretary of State for Health and Social Security in 1986, Fowler implemented the first official drive