85.1 A change to a rule shall refer specifically to the rule and state the change. A change to a rule includes an addition to it or deletion of all or part of it.

85.2 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