MATCH AREA CONTROLLERS
The Match Area Controllers powers and duties shall be as follows:
1. To delegate, appoint, and supervise the Referees and Judges, for all matches in areas under their control.
2. To oversee the performance of the Referees and Judges in their areas, and to ensure that the Officials appointed are capable of the tasks allotted them.
3. To order the Referee to halt the match when the Arbitrator signals a contravention of the Rules of Competition.
To prepare a daily, written report, on the performance of each official under their supervision, together with their recommendations, if any, to the Referee Council.

REFEREES
The Referee's powers shall be as follows:
1. The Referee (“SHUSHIN”) shall have the power to conduct matches including announcing the start, the suspension, and the end of the match.
2. To award points.
3. To explain to the Match Area Controller, Referee Council, or Appeals Jury, if necessary, the basis for giving a judgement.
4. To impose penalties and to issue warnings, before, during, or after a bout.
5. To obtain and act upon the opinion(s) of the Judges.
6. To announce extensions.
7. To conduct voting of the Referee Panel (HANTEI) and announce the result.
8. To announce the winner.
9. The authority of the Referee is not confined solely to the competition area but also to all of its immediate perimeter.
The Referee shall give all commands and make all announcements.

JUDGES
The Judges (FUKUSHIN) powers shall be as follows:
1. To assist the Referee by flag signals.
2. To exercise a right to vote on a decision to be taken.
The Judges shall carefully observe the actions of the contestants and signal to the Referee an opinion in the following cases:
a) When a score is observed.
b) When a contestant has committed a prohibited act and/or techniques.
c) When an injury or illness of a contestant is noticed.
d) When both or either of the contestants have moved out of the competition area (JOGAI).
In other cases when it is deemed necessary to call the attention of the Referee.

ARBITRATORS
The Arbitrator (KANSA) will assist the Match Area Controller by overseeing the match or bout in progress. Should decisions of the Referee and/or Judges, not be in accordance with the Rules of Competition, the Arbitrator will immediately raise the red flag or sign and sound the buzzer. The Match Area Controller will instruct the Referee to halt the match or bout and correct the irregularity. Records kept of the match shall become official records subject to the approval of the Arbitrator.

SCORE SUPERVISORS
The Score Supervisor will keep a separate record of the scores awarded by the Referee and at the same time oversee the actions of the appointed timekeepers and scorekeepers.