(1) A summary of argument to be presented and a list of authorities to be relied on at the hearing of a case stated must be filed and served:
(a) by the party who prepares the draft case stated--at least 21 days before the commencement of the sittings in which the case stated is listed for hearing; and
(b) by each other party--at least 14 days before the commencement of the sittings in which the case stated is listed for hearing; and
(c) by a child representative (if any)--at least 7 days before the commencement of the sittings in which the case stated is listed for hearing.
(2) The summary of argument must be in accordance with subrule 13.23(2).