Parents, Players and New Referees
For all parents, players and referees new to the game, here are a few write-ups on the basics of field lacrosse:

Basic Field Lacrosse Rules - from the North Carolina Lacrosse Officials Association
ILF Rules - Microsoft Word (32k) or Adobe PDF (11k)
Simplified Field Lacrosse Rules - Microsoft Word (28k) or Adobe PDF (18k)

Box Lacrosse Officials
For new officials coming over from box lacrosse, here is a document that will help you digest the major differences between box and field lacrosse:

Box vs. Field - Microsoft Word (40k) Adobe PDF (24k)

Other Downloads for New Officials
CLA Field Referee Uniform and Equipment - Adobe PDF (29k)
Men’s Field Lacrosse Officials Certification Criteria - Adobe PDF (21k)
Referee's Code of Conduct - Adobe PDF (42k)