referee, it shall become his duty to rule the player off for that match. When the puck gets off the ice behind the goals it shall be taken by the referee to five yards at right angles from the goal line and there faced. When the puck goes off the ice at the sides it shall be taken by the referee at five yards at right angles from the boundary line and there faced. The goalkeeper must not, during play, lie, kneel or sit upon the ice, but must maintain a standing position. Hockey sticks shall not be more than three inches wide at any point. Goal shall be scored when the puck shall have passed between the goalposts and below the top and passed from in front below an imaginary line across the top of posts. The puck must be made of vulcanized rubber, one inch thick all through, and three inches in diameter. A team shall be composed of seven players who shall be bona fide members of the club they represent. No player shall be allowed to play on more than one team during a season except in a case of a bona fide change of residence. Two half hours with an intermission of ten minutes between will be time allowed for matches. A match will be decided by the team winning the greatest number of games during that time. In case of a tie after playing the specified two half hours, play will continue until one side secures a game unless otherwise agreed upon between the captains before the match. No change of players must be made after a match has commenced except for reasons of accidents or injury during the game. Should any player be injured during a match and compelled to leave the field his side shall have the option of putting on a spare man from the reserve to equalize the teams; in the event of any dispute between the captains as to the injured player's fitness to continue the game the matter shall at once be decided by the referee. Should a game be temporarily stopped, by the infringement of any of the rules the puck shall be brought back and a bully take place. Source: Montreal Gazette Seasons format The AHAC operated on two different systems in its lifetime: the challenge system, where a championship team would face a new challenger