Enquire within upon everything

[BE NOT THE FIRST BY WHOM THE NEW IS TRIED.] 123. Mode of Playing. i. Immediately after taking a trick, and then only, a player can make a Declaration; but he must do so before drawing another card. Only one Declaration can be made after each trick. ii. If, in making a declaration, a player put down a wrong card or cards, either in addition to or in the place of any card or cards of that declaration, he is not allowed to score until he has taken another trick. Moreover, he must resume the cards, subject to their being called for as "faced" cards. iii. The seven of trumps may be exchanged for the trump card, and for this exchange ten is scored. This exchange is made immediately after he has taken a trick, but he may make a declaration at the same time, the card exchanged not being used in such declaration. iv. Whenever the seven of trumps is played, except in the last eight tricks, the player scores ten for it, no matter whether he wins the trick or not. v. When all the cards are drawn from the pack, the players take up their eight cards. No more declarations can he made, and the play proceeds as at Whist, the ten ranking higher than the king, and the ace highest. vi. In the last eight tricks the player is obliged to follow suit, and he must win the trick if possible, either by playing a higher card, or, if he has not a card of the same suit, by playing a trump.