Rules to play Beach Volleyball
Refereeing corps and procedures
Hand signals are used to start a rally and voice commands used in all
other situations. When used, whistles halt play, authorize service or
accept or deny a request.The first referee authorizes service by giving the signal for service
which begins the rally. The first referee halts play to end a rally
provided that he/she is sure that a fault has been committed and has
identified its nature.