13.1. It shall be a ‘fault’:
13.1.1. if a service is not correct (Law 9.1);
13.2. if, in service, the shuttle:
13.2.1. is caught on the net and remains suspended on its top;
13.2.2. after passing over the net, is caught in the net; or
13.2.3. is hit by the receiver’s partner;
13.3. if in play, the shuttle:
13.3.1. lands outside the boundaries of the court (i.e. not on or within the boundary lines);
13.3.2. fails to pass over the net;
13.3.3. touches the ceiling or side walls;
13.3.4. touches the person or dress of a player;
13.3.4.1. In Para badminton a Wheelchair or Crutch is considered part of the player’s person.
13.3.5. touches any other object or person outside the court;
(Where necessary on account of the structure of the building, the local badminton authority may, subject to the right of veto of its Member Association, make by laws dealing with cases in which a shuttle touches an obstruction).
13.3.6. is caught and held on the racket and then slung during the execution of a stroke;
13.3.7. is hit twice in succession by the same player. However, a shuttle hitting the head and the stringed area of the racket in one stroke shall not be a ‘fault’;
13.3.8. is hit by a player and the player’s partner successively; or
13.3.9. touches a player’s racket and does not travel towards the opponent’s court;
13.3.10. in Wheelchair Badminton if the shuttle is:
13.3.10.1. caught on the net and remains suspended on top; or
13.3.10.2. after passing over the net is caught in the net.
13.4. if, in play, a player:
13.4.1. touches the net or its supports with racket, person or dress;
13.4.2. invades an opponent’s court over the net with racket or person except that the striker may follow the shuttle over the net with the racket in the course of a stroke after the initial point of contact with the shuttle is on the striker’s side of the net;
13.4.3. invades an opponent’s court under the net with racket or person such that an opponent is obstructed or distracted; or
13.4.4. obstructs an opponent, i.e. prevents an opponent from making a legal stroke where the shuttle is followed over the net;
13.4.5. deliberately distracts an opponent by any action such as shouting or making gestures;
13.4.6. in Wheelchair Badminton
13.4.6.1. at the moment the shuttle is hit no part of the players’ trunk is in contact with the seat of the wheelchair.
13.4.6.2. if the fixation of a foot to the footrest is lost.
13.4.6.3. during play, the player touches the floor with any part of the feet.
13.5. if a player is guilty of flagrant, repeated or persistent offences under Law 16.