In a press release at the end of last year the BWF mentioned that changes in recent competition rules had been noticed and that research would be carried out and an experimental new competition rules would be introduced at a suitable time....

When necessitated by circumstances not within the control of the players, the umpire may suspend play for such a period as the umpire may consider necessary....

‘Let’ shall be called by the umpire, or by a player (if there is no umpire), to halt play....

If a service court error is discovered, the error shall be corrected and the existing score shall stand....

The players shall serve from, and receive in, their respective right service courts when the server has not scored or has scored an even number of points in that game....

A match shall consist of the best of three games, unless otherwise arranged...

The Badminton World Federation shall rule on any question of whether any racket, shuttle or equipment or any prototype used in the playing of Badminton complies with the specifications....

The racket shall be a frame not exceeding 680 mm in overall length and 230 mm in overall width consisting of the main parts described in Laws 4.1.1 to 4.1.5 as illustrated in Diagram C....

To test a shuttle, a player shall use a full underhand stroke which makes contact with the shuttleover the back boundary line. The shuttle shall be hit at an upward angle and in a direction parallel to the side lines....

The shuttle shall be made of natural and / or synthetic materials. From whatever material the shuttle is made, the flight characteristics generally shall be similar to those produced by a natural feathered shuttle with a cork base covered by a thin l...

The court shall be a rectangle marked out with lines 40 mm wide as shown in Diagram A.The lines marking out the court shall be easily distinguishable and preferably be coloured white or yellow....