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.

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.

If the dealer's partner, by touching a card or otherwise, suggest the play of a card from dummy, either of the adversaries may, but without consultation, call upon the dealer to play or not to play the card suggested.