70. If after the deal has been completed, and before the trump declaration
has been made, either the dealer or his partner expose a card from his
hand, the eldest hand may claim a new deal.
71. If after the deal has been completed, and before a card is led, any
player shall expose a card, his partner shall forfeit any right to double
or re-double which he would otherwise have been entitled to exercise; and
in the case of a card being so exposed by the leader's partner, the dealer
may, instead of calling the card, {240} require the leader not to lead the
suit of the exposed card.