Here you can find the most recently updated rulebook of the CPHL. This rulebook is reviewed often and was last updated in February 2012. The following rules were added/amended:
Section VIII (Minor Penalties) - Rule 18
Tripping: A player with an attached stick will not make a motion that would place his or her stick in such a manner that causes his or her opponent to drive over it. (2minute penalty) If in the opinion of the referee, a player drives over the stick of a stationary opponent or causes the contact themselves, a penalty will not be called.
Section VIII (Minor Penalties) - Rule 20
Unsportsmanlike Conduct: Unsportsmanlike conduct includes (but is not limited to) obscene language, arguing or abusing other players, officials or equipment. Yelling, or other loud noises, with the intent to scare, intimidate, or cause another player to flinch and/or lose control of the ball will be penalized under this rule. (2 minute penalty) A player throwing their stick will receive a game misconduct.