Formula One regulations
The terms "Formula One race" and "World Championship race" are now effectively synonymous; since 1984, every Formula One race has counted towards an official FIA World Championship, and every World Championship race has been held to Formula One regulations. In the earlier history of Formula One, many races took place outside the World Championship, and local championships run to Formula One regulations also occurred. These events often took place on circuits that were not always suitable for the World Championship, and featured local cars and drivers as well as those competing in the championship.