Players must not stray over the boundary lines of the pitch, although they may fly as high as desired.
The Quaffle must be surrendered to the opposition if any player leaves the boundary.
'Time out' may be called at any time by the Captain of a team. Time out may be extended to 2 hours if a game has already lasted for more than 12 hours. Failure to return to the pitch after a this time will lead to the team being disqualified.
Penalties can be awarded to teams by the referee. A single Chaser may take the penalty by flying from the central circle towards the scoring area. The opposing team's Keeper may attempt to stop the shot being scored, but all other players must not interfere.
Contact is allowed, but a player may not seize hold of another player's broomstick or any part of their anatomy.
No substitution of players is allowed throughout the game, even if a player is too injured or tired to continue to play, unless there are reserve players present.
Players may take their wands onto the pitch, but they must not be used on or against any players, any players' broomsticks, the referee, any of the 4 balls, or the spectators.
A game of Quidditch will only end once the Golden Snitch has been caught, or at the mutual consent of both team Captains.
Are these from Quidditch Through the Ages?
Thanks for posting this stuff!