 It may happen that when a player is asked to explain a partnership understanding, the explanation they give is either incorrect, or that their partner gains unauthorized information (that they have bid incorrectly).Law 75 covers the proper procedure to address such a situation.In the 1932 Laws of Contract Bridge, no trump tricks bid and made, and undoubled no trump tricks made but not bid, score 30, 40, 30, 40, 30, 40, 30.