The rules in this book, including the Definitions, Race Signals, Introduction,
preambles and the rules of relevant appendices, but not the
Basic Principles or titles;
World Sailing
Regulations
that have been designated by World Sailing as having
the status of a rule and are published on the World Sailing website;
the prescriptions of the national authority, unless they are changed by the
notice of race or sailing instructions in compliance with the national
authority's prescription, if any, to
rule 88.2;
the class rules (for a boat racing under a handicap or rating system,
the rules of that system are 'class rules');