You could ask Joe Crawford, a veteran of more than 2,000 NBA games, for an interpretation of the rules or you could read them here on NBA.com.
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Sure, you know your twos from threes, a blocked shot from a personal foul, but how well do you really know the NBA rules? For example, do you know what situations trigger the use of instant replay or under what circumstances the 24-second shot clock is reset? You can now by checking out the league's official rules as well as those most often misunderstood. Use the links to the right to navigate the NBA's 2005-06 rule book and case book, which contains questions and answers to the rules.