rules to play goal ball

A game will be a total of 20 minutes divided into 2 halves of 10 minutes each.Effective January 01, 2011 A game will be a total of 24 minutes in duration, divided into 2 halves of 12 minutes each.

There will be at least 5 minutes between the end of a game and the start of the next game. At the Paralympics and World Championships there will be a minimum of 15 minutes between the end of a game and the start of the next game.

An audible warning will be given 5 minutes before the start of the game.

The players who are going to start any half must be ready for eye patching eyeshade check by the referees, 90 seconds before the start of each half.

There will be an audible warning 30 seconds before the start of each half.
Half time will be 3 minutes.
All teams, and players, should be ready to start any half 30 seconds after the audible warning sounds SEE rule 12.5 Team or Personal Penalty Delay of game.
Any half will be considered complete at the end of time.