Faults and Lets
-A fault is any error that ends play, whether occurring during the serve or the rally.  A fault committed by the serving side gives the serve to the opponent. A fault committed by the receiving side gives the point to the server.

Service Faults
-The shuttle does not cross the net.
-The shuttle lands in the wrong court.
-The shuttle is no hit on its base.
-The shuttle is above the server's waist when hit.
-The shuttle is hit in an overhand motion.
-The server is outside the service court.
-The server has a foot or feet off the ground.
-The server steps on a line during the serve.
-The server misses the shuttle while serving.

Receiving Faults
-The receiving player is not standing in the correct service court.
-The receiving player moves before the serve is made.

Faults that Can be Committed During Rallies
-The shuttle touches the ground inbounds.
-The opposition does not return the shuttle.
-The shuttle falls outside the playing court.
-A player blocks the opponent's play.
-A player and/ or partner hits the shuttle more than once before returning it over the net.
-A player touches the net with his or her body or racquet.
-A player reaches over the net to play the shuttle.
-A shuttle hits a player.

A Let occurs when a point does not count and must be replayed.
A let occurs when:
-Serves are taken out of turn.
-Serves are taken before the receiver is ready.

Rallies are won after:
-Serving from the wrong court.
-Faults occur simultaneously by both sides.
-The shuttle becomes stuck in the net after crossing.