Follow the links below for the various class and event/trophy rules. If you have questions regarding these documents please contact ISMA Technical Committee Secretary Tim Russell.
ISMA Notes To Competitors re: 2025 Worlds. Updated!
International 6 Metre Class Rules
Notes & Rulings From The ISMA Technical Committee
ISMA Sample Template For Build Form
ISMA Guidance For Build Surveyors
First International Rule of 1907
Second International Rule of 1928
Third International Rule of 1938
Instructions for Checking the Immersion of Six Metres using Flotation Sticks
International 6 Metre World Championship Trophies Deed of Gift
International 6 Metre European Championship Rules