NFHS Rules are updated every year. PIAA Membership entitles you to a copy of the rule book. US Lacrosse Membership allows you to select receiving a rule book.
Below is a Google Drive link to the 2020 PIAA Rules Interpretation as of 2/4/2020
Jackets during PIAA games
The PIAA has agreed to allow officials to wear jackets in adverse weather conditions during the season. The entire crew must be dressed alike, and the jackets must be SOLID BLACK or 1′ VERTICALLY STRIPED. A chapter or PIAA logo is acceptable.
Below is a link to a lacrosse chapter guide created by Scott Dede, the PIAA Boys’ Lacrosse Statewide Rules Interpreter. This guide contains educational material including video. As always, the clips are to be used as educational tools and are in no way meant to embarrass any official and/or association.
Below is the link to the PIAA Boys Lacrosse page. This page includes rules updates, bulletins and memos. Including past rules changes.