(1) A document otherwise required or allowed under these rules to be served on a person for a proceeding with a mental disability who is an adult (the "relevant person") must be served instead on—
(a) the person who is the relevant person's litigation guardian for the proceeding; or
(b) if there is no-one under paragraph (a)—a person who is entitled under rule 276 (2) (Who may be litigation guardian) to be the relevant person's litigation guardian for the proceeding; or
(c) if there is no-one under paragraph (a) or (b)—
(i) an adult who has the care of the relevant person; or
(ii) an adult with whom the relevant person lives.
Note Person with a mental disability is defined in the dictionary.
(2) For any provision of these rules requiring personal service of a document, personal service of the document on a person under subrule (1) is taken to be personal service on the relevant person.