What are the differences between pony softball rules and asa softball rules?

Answer 1

All bats must bear the ASA approved certification mark and must not be listed on
an ASA Banned Bat list unless it bears the ASA approved re-certification mark; or
b. Must be included on a list of approved bat models published by ASA; or
c. Must be in the sole opinion and discretion of the umpire, have been manufactured
prior to 2000 and, if tested, would comply with the ASA bat performance standards
then in effect.
d. Safety grip or cork, tape (no smooth plastic tape) or composition material, may not
exceed two layers of tape and must be continuously spiral. Any resin or pine tar is
permissible on this part of the bat. Tape must be at least 10 inches long and not more
than 15 inches.