This summary is not the rule. The rule text controls.
This rule does not currently contain any content. It has been marked as "Reserved," which means the number is being held in place within the rule set, but no actual text or requirements exist under it right now.
Courts sometimes do this when they want to keep their numbering system consistent, especially if a rule was removed or if they are planning to add something in this spot later. If you are looking for guidance on appellate procedure, you will need to check a different rule number, since this one has no effect on your case.
If you see this rule referenced somewhere, it likely means there is no specific requirement tied to it at this time. You can move on to other applicable rules without worrying about what Rule 36 might require, because it currently requires nothing.