Originally Posted by Conor
Your 3 mins per lane includes shot preparation time so technically if you're just putting on the jacket to shoot the standers, it should only be put on once the stop clock has started in the lane.
Looks like You're the rules specialist afterall.
Can You show me where it is written in the rules ?
I have also an answer from Lithuania:
You can use shooting jacket only for standing targets, it is not allowed.