58. When a player, whose declaration has been doubled, fulfils his contract by winning the declared number of tricks, he scores a bonus of 50 points above the line, and a further 50 points for every additional trick which he may make. If he, or his partner, have re-doubled, the bonus is doubled.
59. If a player doubles out of turn, the adversary on his left may demand a new deal.
60. When all the players have expressed themselves satisfied, the play shall begin, and the player on the left of the declarer shall lead.
61. A declaration once made cannot be altered, unless it has been overcalled or doubled.
62. As soon as a card is led, whether in or out of turn, the declarer's partner shall place his cards face upwards on the table, &c. (as in Bridge).
63 to 69. As in Bridge.
70. If, after the cards have been dealt, and before the trump declaration has been finally determined, any player exposes a card from his hand, the adversary
on his left may demand a new deal. If the deal is allowed to stand, the exposed card may be picked up, and cannot be called.
71. If, after the final declaration has been accepted, and before a card is led, the partner of the player who has to lead to the first trick exposes a card from his hand, the declarer may, instead of calling the card, require the leader not to lead the suit of the exposed card.
72 to 89. As in Bridge.