For FIVB, World and Official Competitions an assistant scorer is compulsory.
1stReferee
1. Inspects playing area, balls and equipment
2. Performs toss with team captains
3. Controls teams' warming-up
4. Issues warnings to teams
5. Sanctions misconduct and delays
6. Decides on faults
2ndReferee
1. Checks player positions on court
2. Decides, whistles and signals faults
3. Authorizes game interruptions
4. Controls time-outs and substitutions
5. Checks floor and ball conditions
6. Supervises team members
Scorer
1. Fills in score sheet
2. Records starting line-ups
3. Records points scored
4. Controls serving order
5. Records substitutions and time-outs
6. Announces ends of sets and 8th point in deciding set
7. Records misconduct and improper requests
8. Records other events
LineJudges
1. Signal ball "in" and "out"
2. Signal touches of "out" balls
3. Signal ball touching antenna
4. Signal player stepping outside court
5. Signal server's foot fault
6. Signal player contact with antenna
Delay Warnings and Sanctions
Misconducts, Warnings and Sanctions
Authorizationtoserve
What hand signal?
Team to serve
What hand signal?
Changeofcourts
Substitution
Yellow: Misconduct warning
What hand signal?
Expulsion
What hand signal?
Disqualification
End ofMatch
What hand signal?
Ballnottossed
What hand signal?
Delay In Service
Other term for Blocking Fault?
Screening
What hand signal?
Ball out
What hand signal?
Catch
Double Contact
Four hits
What hand signal?
Net touched by player
Reaching beyond thenet
Attackhitfault
Penetration into the opponent court
Double fault or replay
Balltouched
Delay warning
Ballin
Ballout
Ball touched
Crossingspacefaults
Judgement impossible
Management
It deals with the tasks and accountabilities to accomplish the objectives through cooperation. It requires harmonious effort amongst members to fulfill the target objective.
Functions of Management
Planning
Leading
Organizing
Staffing
Controlling
Qualities of an official ?
Confidence
Consistency
Decisiveness
Enjoyment/motivation
Integrity
Judgement
Poise
Rapport
Court or Fieldofficials
within the game court of field, calling the violations and penalties. They may be stationary or moving, depending on the sport
Tableofficials
those who handle time, scores, review, and record statistics