85 CHANGES TO RULES 
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 |