53.--The winner of the last trick adds fifty to the score.
54.--The winner of the last trick is bound to score it (except as provided
in Law 21).
55.--If, during the play of the last nine tricks, a player fail to follow
suit when able, or fail to win the card led when able--on detection of the
error, the card erroneously played, and all cards subsequently played, must
be taken up and replayed. {30}