Rules of golf not one of the numbered rules, is found in the R&A rule book's inside front cover: "Play the ball as it lies, play the course as you find it, and if you cannot do either, do what is fair. But to do what is fair, you need to know the Rules of Golf." In addition to the rules, golf adheres to a code of conduct known as etiquette, which generally means playing the game with due respect for the golf course and other players. Etiquette is often seen as being as important to the sport as the rules themselves. Before
Ball in and out of play corner flag, referee or assistant referee, assuming that they are on the field of play at the time. When the ball is in play players may play the ball, contest the ball, and goals may be scored. Players are liable to punishment for committing fouls. Substitutions may not occur whilst the ball is in play. When the ball becomes out of play, the ball is put back into play by the appropriate restart. The restarts in football are: Once the ball is out of play, the only restart is the restart appropriate for the reason the ball went out of