A change to one of the following types of
rules may be made only as shown below.
Type of rule
Change only if permitted by
Racing rule
Rule
86
Rule in a World Sailing code
A rule in the code
National authority prescription
Rule
88.2
Class rule
Rule
87
Rule in the notice of race
Rule
89.2(b)
Rule in the sailing instructions
Rule
90.2(c)
Rule in any other document governing the event
A rule in the document itself