by Uppingham School, General Rules for Football at Uppingham School (1871)
“ He is put on-side again by the ball being touched by a friend or opponent, when he is between his own goal and the ball.When a player is off-side he is to consider himself out of the game, and is not to kick or touch the ball or in any way interfere with an opponent, but must return behind the ball as soon as possible.When a player is between the ball and his opponent's goal, he must not charge or wilfully obstruct an opponent. III. If any player kicks off-side, the opposite side may claim a fair kick from the place where it was kicked off-side. ”
