[mach3]

I am looking for a guide on Slow-Pitch Rules Differences between the different codes. Can anybody help?

And what would be the major Rule-Set used in the US?

We prepare a big tournament and I am in charge of the umps. But reports from the last tournaments show that some teams have been very inflexible when it comes to the ruled they have to play under.
Therefor I am looking for major rule-sets and their differences. If possible including ISF, but I can do that by myself, since I have that book.

Thanks for you Help

Raoul