What happens if the shuttlecock goes out the line?

Answer 1

It's good!

when the player hits the shuttle touches the net and continues to the service area. If it is a service it is a fault, If it is during the rally if the oppenent does not attempt it is a point for the hitter.

Answer 2

In Badminton,

1. During service if the shuttle touches the tip of the net and still goes to the receivers side, it is a legal service.

2. Anytime after the service if the shuttle touches the net and go to the other side, it is still in play.