Positions when serving: Player no. 2 and player no. 3 should be in the front of the server when serving and the distance between them should be no less than 2 m. After serving, the players of both sides can change their positions freely in their own court.

The receiving team should stand at their positions when the ball is served.

The rotation order in the court should not be adjusted until the completion of each game. In doubles the position of the players is free.

Service fault: Any of the following situations is considered as a service fault:

The serving player steps on the end line, the serving area line or its extension.

1. The ball fails to cross over the net or touches the net or the antennae.
2. The ball passes under the net.
3. The ball crosses the net along the path outside the antenna, and its extension.
4. The ball touches any foreign object or player of the serving team before it enters the opponents court.
5. The ball flies out of bounds.
6. The serving is delayed more than 5 seconds.
7. The ball drops on the ground after the referee blows the whistle.

When the serving team makes a fault, it loses the right of service and the opponent serves.

Service let: If any of the following situations occurs, it will be a service let:

1. The ball is hung on the net during play except if it happens at the last hit.
2. The feather and the rubber base part from each other or the shuttlecock breaks otherwise during flight in play.
3. Service is made before the referee's whistle.
4. A foreign object or other person enters the court during play.

Service out of turn: If the referee discovers a service out of turn after the ball is served, he/she should judge the serving team losing the right of service and to resume the correct positions and a point to the opponent team. If the team has scored, he/she should cancel the score because of the service out of turn.

Before the beginning of the each game a team may change the rotation order, fill the position card and hand it to the scorekeeper.

A team may hit the ball no more than four times by no more than three person-times. In singles two hits is allowed.

Touching the ball with arm or hand is forbidden.

The ball should not be obviously halted at any part of the player's body.

Any movement against any section in Rule No. 14 should be judged a fault and one point credited to the opponent and the opponent team takes service.

After hitting the ball, touching the antennae, the net outside the two antennae, the net posts, the cord or any other objects should not be considered a fault.

No part of the player's body should enter the space of the opponent court during the play.

If a player attacks the ball with his/her head, he/she should begin the attack behind the restricting line and is allowed to land inside the restricted area.

During play no part of the player's body, except the feet is allowed to contact the center line and the feet should not cross it completely.

Interruption of play:

The referee should whistle a stop when one of the following situations occurs:

1. Other objects or people enter the playing area.

2. Damaged facilities are replaced.

3. An accident happens to a player.

Only the captain may request an explanation about the penalty given and the referee should reply immediately.

The team who is not satisfied with the referee's decision and is going to make an appeal should obey the referee during play. They may submit the appeal in written form to the board of referees after the match. The referee should also submit a report to the board.

The umpire stands on the other end of the net outside the court, facing the referee.

The scorekeeper sits at the score table opposite the referee.

The scorer sits next to the scorekeeper at the score table.

The two linesmen stand separately at the two opposite corners of the court, one meter apart from the court and each takes responsibility of two lines (one sideline and one end line) and one serving area.

The referee is in charge of official work during the match and his judgment is the final decision. He has the right to solve any problem which might occur during play including those stated in the rules. He also has the right to change a decision made by other officials if he considers it to be wrong.

The referee has the right to interrupt or resume the game.

The referee should give a definite hand signal to show the reason for him to whistle an out of play and the team to serve.

The referee should warn or disqualify the player who commits the following faults:

A. Warning:

1. Misconduct towards the referee;
2. Misconduct towards the opponents or the teammates;
3. Kicking, beating or hitting the opponent, or trying to do so;
4. Leaving the court during interruptions of the game without the permission of the referee.

B. Disqualification

The referee should disqualify the player who repeats the fault or commits any of the above faults after a warning is given.

The referee checks the court, equipment, facilities, the shuttlecock and players' sports suits before the match.

The referee calls the captains of both sides to toss the coin and choose the playing area or service.

The referee arranges the time for warming up for both teams.

Section 2: Umpire

The umpire should assist the referee initiatively and take over his place when the referee is unable to continue his work. The umpire should check the players' positions in the court and those in the decisive game after changing sides. When the match is out of play, the umpire should take the coach's or the captain's request for a time out or a substitution, and he/she has the command of the rules of the time out and the substitution.

The umpire should decide whether the player crosses the middle line and violate the rule of the restricting line. The umpire should decide whether the ball touches the net or the antenna by the umpire side, or flies over the net by the outside of antenna and its extension.
Section 3: Scorekeeper

The scorekeeper should register the players' names and numbers on the scorecard, and ask the captain and the coach to sign it before the match. The scorekeeper should register the numbers and the rotation order of the players in court before each game. The team on the left side of the scorekeeper should be registered on the left of the scorecard and vice versa. The scorekeeper should register the score, the number of the time outs, the substitutions and faults in the rotation order during the play and inform the umpire in time.

The scorekeeper should report the number of the time outs of the team when the team requests a time out. The scorekeeper should announce changing sides when a game ends and when one team has scored 11 points in the decisive game. The scorekeeper should report to the referee if a team requests for a time out or a substitution when the game is out of play. The scorekeeper should ask the referee, the umpire and the captain of each team to sign the scorecard after the match.

Section 4: Scorer

The scorer is responsible for displaying the scores of both teams during play.

Section 5: Linesmen

The linesmen should decide whether the ball is out of bounds.

The linesmen should decide whether the ball is out of bounds after touching a player.

The linesmen should decide whether the ball crosses the net by the outside of antenna and its extension line.

The linesmen should decide whether the server steps on the end line, the serving line and its extended line.