This crib sheet is an updated version of a crib sheet that's been handed down over the years. Please let me (and everyone else) know of any errors.
Have fun refereeing!
P.S., For those of you interested in the international
FIFA soccer laws,
you can read them on the WWW.
above is from message dated Fri, 21 Oct 1994 21:19-0400
P.P.S., In case you encounter a situation for which the laws aren't clear, here's a collection of Soccer Referee Related Links, including "ask a soccer referee" and referee email lists.