61. As soon as the eldest had has led, the dealer's partner shall place his cards face upward on the table, and the duty of playing the cards from that hand shall devolve upon the dealer, unassisted by his partner.
62. Before exposing his cards, the dealer's partner has all the rights of a player, but after his cards have been shown the dealer's partner takes no part whatever in the play, except that he has the right—
a To ask the dealer whether he has none of the suit in which he may have renounced.
b To ask the dealer when called upon to play his highest or lowest card whether he has conformed to the penalty.
c To call the dealer's attention to the fact that a trick has not been completed.
d To correct the claim of either adversary to a penalty to which the latter is not entitled.
e To call attention to the fact that a trick has been erroneously taken by either side.
f To participate in the discussion of any disputed question of fact which may arise between the dealer and either adversary.
g To correct an erroneous score.
63. Should the dealer's partner call attention to any other incident of the play, in consequence of which any penalty might be exacted, the fact of his so doing precludes the dealer exacting such penalty.