US Lacrosse – Officials Resources (link) – Includes Mechanics Manuals and 2016 Changes
SEPYLA Rules
SEPYLA Playoff Rules
CCLA Rules 2015
CCLA Rules Synopsis for Refs
NXT Youth – 2016
NCAA (link)
NCAA-vs-NFHS-Rules-Differences
US Box Lacrosse
NFHS Table Directions
NCAA Table Directions
PIAA Officials Manual (link)
PIAA-Sportsmanship-Message
GPLOA Bylaws