4q OBJECT BALL FROZEN TO A CUSHION.
When the cue ball makes first contact with an on object ball which is frozen to a cushion it is a foul if the shot does not result in...
(a) A ball being potted OR
(b) The cue ball contacting a cushion OR
(c) The frozen ball contacting a cushion attached to a separate rail OR
(d) Any other object ball contacting a cushion with which it was not already in contact before the shot was played.
A ball touching a cushion at the start of a shot which is forced into the same cushion is not considered to have struck that cushion unless it leaves the cushion, strikes another ball, and then contacts the cushion again.
An object ball is not considered frozen to a cushion unless this is announced by a referee or player prior to a shot being played.
