Once a trick is complete, turned, and quitted, it must not be looked at until the end of the hand.
Any player during the play of a trick, or after the four cards are played and before they are touched for the purpose of gathering them together, may demand that the cards be placed before their respective players.
If either of the dealer's adversaries, prior to his partner's playing, should call attention to the trick, either by saying it is his, or, without being requested so to do, by naming his card or drawing it toward him, the dealer may require that opponent's partner to play his highest or lowest card of the suit led, or to win or lose the trick.
Either of the dealer's adversaries may call his partner's attention to the fact that he is about to lead out of turn, but if he make any unauthorised reference to any incident of the play the dealer may call a suit from the adversary whose turn it is next to lead.
In all cases where a penalty has been incurred, the offender is bound to give reasonable time for the decision of his adversaries; but if a wrong penalty be demanded none can be enforced.