Sec. 3. During the play of a deal a player must not pick up or turn another player’s card.
Sec. 4. Before a trick is turned and quitted any player may require any of the other players to show the face of the card played to that trick.
Sec. 5. If a player names a card of a trick which has been turned and quitted or turns or raises any such card so that any portion of its face can be seen by himself or his partner he is liable to the same penalty as if he had led out of turn.
LAW VII.—Cards Liable to be Called.
Sec. 1. The following cards are liable to be called:
(a) Every card so placed upon the table as to expose any of the printing on its face, except such cards as these laws specifically provide, shall not be so liable.
(b) Every card so held by a player as to expose any of the printing on its face to his partner or to both of his adversaries at the same time.
(c) Every card, except the trump card, named by the player holding it.
Sec. 2. If a player says. “I can win the rest,” “The rest are ours,” “It makes no difference how you play,” or words to that effect, or if he plays or exposes his remaining cards before his partner has played to the current trick, his partner’s cards must be laid face up on the table and are liable to be called.