How the rules apply when a boat is compelled to cross the starting line by another boat that was breaking a rule of Part 2. 

Interpretation of the term ‘serious’ in the phrase ‘serious  damage’.

Reasons for deleting Case 142: This case is no longer correct and also no longer necessary because of the new wording of rule 62.1(b) in the 2021 RRS.

 When the organizing authority for a race is not an organization specified in rule 89.1, a party to a hearing does not have access to the appeal process. 

Reasons for withdrawing Case 144: The Case Book Working Party found it difficult to interpret how the new last sentence of rule 18.1 applies to the incident described in this case. Whatever interpretation the working party makes of this new sentence should be discussed and approved by the World Sailing Racing Rules Committee.

A boat’s string, described in the definition Sail the Course, when drawn taut, is only constrained by the marks that begin, end or bound each leg of the course.

When boats are approaching a starting mark to start and a leeward boat luffs, the windward boat is exonerated by rule 43.1(b) if she breaks rule 11 while sailing within the room to which she is entitled under rule 16.1.