The shuttle is caught or slung when struck. Rim shots and simultaneous striking of the base and feathers of the shuttle are legal if nor slinging or catching occurs. A player obstructs an opponent or invades the opponent's court. A serve may not be delivered until the receiver is ready. A serve which touches and passes over the net and falls within the diagonal service court and a shot during a rally which touches and passes over the net and falls within the legal boundary lines are both good.
Shuttles falling on the lines are in bounds.
It is not a fault if the server completely misses the shuttle on the serve.