Fair catch kick rugby have eliminated the rule; rugby league abolished the goal from mark in 1922, and rugby union removed it in 1977. Australian rules football has retained the rule, and it is a vital part of the Australian game; a "fair catch" of a ball kicked more than 15 metres in the air is called a "mark", and the player making the mark is then awarded a free kick. The fair catch kick has been present in the National Football League (NFL) rulebook since the league's inception, and also remains in the National Federation of State High School Associations (NFHS) rulebook.
Comparison of American football and rugby union etc. Rugby union pitches have only two further solid lines called the 22 metre lines. They are so called because they are marked from the goal lines. This unusual distance exists because rugby changed from Imperial units to Metric units in 1977; the line had previously been a 25-yard-line. The metric equivalent of 25 yards is 22.86 metres which should round to 23 metres; some sources argue that the reason for rounding down to 22 was to further restrict players within the 1968 25-yard line kicking law; a rule that had been introduced to encourage more running play. In rugby,