Having well-trained Referees is an essential part of a successful tournament, and is a great way for a judo player to find another way to enjoy the sport. Regional-Level referee certifications are available from the USJA and the USJF. National-level certification is available from USA Judo, and international-level certification is available from the IJF.

NEW IJF RULE CHANGES

APRIL 2009:  NEWEST IJF RULES & EXPLANATIONS <- Click to download

USA Judo Referee Commission 2009 Rule Changes and Interpretational Adjustments

Int IJF Judo Federation Refereeing Rules Alterations

IJF Rules Concerning Kumi Kata

IJF Rules Concerning Negative Judo

SOKUTEIKI - Judogi Measurement Device

Official IJF Judogi Sokuteiki

How to use the Sokuteiki

International Judo Federation

Official Judo Rules & Referee Manual

National Judo Organizations

United States Judo Assoc. Referee Committee
United States Judo Fed. Referee Committee Chair, Mr. Joon Chi