All boats wishing to race and compete shall comply with the International Sunfish Class Rules. The current International Sunfish Class Rules (Effective November 3, 2017)
are published on the World Sailing website and you should always refer to the World Sailing website to ensure you have the latest version.

 

CHALLENGES & INTERPRETATIONS TO CLASS RULES
Any questions or challenges relating to ISCO Class Rules (Bylaw 1) should be forwarded to the Chief Measurer for interpretation along with detailed photographs and any comments or reasoning. The Chief Measurer will make an interpretation of all challenges, post interpretations to the Class website and communicate his interpretations to the World Council. All such interpretations made by the Chief Measurer shall be binding until approved, rejected or modified by the World Council, duly published to the members of ISCO on the Class website.

The following challenges and interpretations to the Class Rules are currently active:
Rule Challenge & Interpretation - AC #8
Rule Challenge & Interpretation - AC #7
Rule Challenge & Interpretation - AC #6
Rule Challenge & Interpretation - AC #5
Rule Challenge & Interpretation - AC #4
Rule Challenge & Interpretation - AC #3
Rule Challenge & Interpretation - AC #2
Rule Challenge & Interpretation - AC #1