REFEREES. There are also three referees (arbitrators) one on the court, two on the side lines.

TIME. The game is played twice for 45 minutes with a 15-minute break. Unless the referee adds a few minutes of extra play, for breaks during the match.
 
CARDS. The referee may foul the player with a yellow or red card. After showing the latter, the player must leave the pitch forever. Two yellow cards in the whole match are also red and the ban on the game.
 
PENALTY. penalty is imposed when the player is fouled in the penalty area. The injured player does not have to do it.

CHANGES. During the match you can make three player changes from the field and change the goalkeeper.
Out is when the ball falls behind the playing field, behind the court line. What matters is a player's touch by the ball, if he touches the last one, the outs are made by the opponents.

OFFSIDE. It is when the player of the opposing team is closer to the end line of the court than the defender of the other team (bypassing the goalkeeper). And the ball must be directed to him.

CATCHING THE BALL. Goalkeeper can be the only player to catch the ball in his hand. If he gives him the ball, the player from his team can not do it.

FINAL SCORE. If the competition is played in groups, it is not necessary to indicate the winner. They get 1 point for the team tie, 3 points for the win, and none for the loss. If there is a quarter-final match, final or semi-final winner, it must be determined after a draw after 2 * 45 minutes, extra time is played, if it does not bring a decision, you have to play a series of penalty kicks.