(i) If only two line judges are used, they stand at the comers of the court closest to the right hand of each referee, diagonally at 1 to 2 meter from the comer. 

Duties of line judge : 

1. The ball “in” and “out” whenever the ball lands near their line(s), 

2. The touches of “out” balls by the team receiving the ball, 

3. The ball touching the antenna, the serv ed ball crossing the net outside the crossing space, etc.

4. The foot faults of the server, 

5. Any contact with the antenna on their side of the court by any player during his/ her action of playing the ball or interfering with the play,

(ii) The scorer performs his/her functions seated at the scorer’s table on the opposite side of the court facing the first referee. 

1. He/She keeps the score sheet according to the rales, co-operating with the second referee. 

2. Registers the data of the match and teams, including the name and number of the Libero player, according to the procedures in force, and obtains the signatures of the captains and the coaches ; 

3. Records the starting line-up of each team from the line-up sheet; 

(iii) Duties of coach: Throughout the match, the coach conducts the play of his/her team from outside the playing court. 

1. He/She selects the starting line-ups. 

2. Coach requests for timeouts. 

3. Requests for substitution. 

4. The coach records or checks the names and numbers of his/her players on the score sheet, and then signs it.