Rules:
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Appendix C, Match Racing Rules:
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Rule C2, Changes to the Definitions and the Rules of Parts 1, 2, 3 and 4
← Rule C2.4
C2.5
Rule C2.6 →
C2.5
Add new Rule 7 to part 1:
7 Last Point of Certainty
The umpires will assume that the state of a boat, or her relationship to another boat, has not changed, until they are certain that is has changed.