Answer:
You throw me out when you want to use me, but take me in when you donβt want to use me. What am I?
You heard me before and then again. Afterward I die until you call me again.
What can one catch that is not thrown?
When it comes to me you go on red and stop on green.
What can be heard in court or used to carry briefs?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?