GameOfficials - Assigning system for REV leauge and tournament games. You will need a GameOfficials account and join the DKT group to be assigned games.
Referee Uniforms & Gear
Official Sports - Exclusive referee uniform supplier to U.S. Soccer
Planet Soccer - Official sponsor of the Minnesota State Referee program - Four locations - Minneapolis, Blaine, Maplewood & Plymouth
Soccer Super Store - Alternate source of quality uniforms and a good return policy.
Certification & Training
Minnesota State Referee Committee - Oversees the referee certification process. You will need to register with the SRC to sign up for certification and recertificaiton courses. This is an annual process and courses are normally held late winter through spring.
Minnesota State Referee Committee Facebook Page - The SRC post serveral vidoes on Facebook discussing various calls made in MLS or other leagues. Most of the video are about 30 seconds to 2 minutes. A lot of good information. Like this page to see their posting.
USSF Resource Center - Official page of the US Soccer for referee development
2015 Training Requirements - Requirements to become certified for 2015 as established by the Minnesota State Referee Committee (note that new referee registration is closed for 2013)
Laws of the Game - The official FIFA rules. Note that MYSA has modifided some of the rules and also need to review the MYSA Rules Manual link below.
Soccer Referee USA - Website developed by several referees. Includes Q&A, sample tests, info on certification, links, and a store.
Frequently Asked Questions - Frequent questions and answers from MYSA
Ask A Ref - Q&A from various games
MYSA Rules Manual - Section 7 includes all of the MYSA modifications to the Laws of the Game
MYSA 2014 Rules Summary - Summary of the MYSA rules and modifications