When is it officially legal to do ball-in-hand when playing billiards/pool?

Question

9 ball and/or 8 ball?

Answer 1

When your apponent scatches or while playing 9 ball, the object ball plus the cue ball doesnt hit the cusion.

Answer 2

in 9 ball you have to hit the lowest numbered ball 1st or it is a ball in hand fall.if you scratch.if you dont hit a rail after you contact the lowest number ball with either the cue ball or the object ball. in 8 ball you have ball in hand if...you dont hit one of your balls and a rail.you scratch.

Answer 3

when the opponent scratches you can put it anywhere behind the second diamond.  but in cut throat (three man) you can put it anywhere when an opponent scratches.

Answer 4

it depends on the game. If playing 9-ball, then it is when the cue ball is pocketed or does not touch at leats 1 cussion. In 8-ball it is when the cue ball is pocketed or does not drive a ball to the rail or touch 3 rails.