(1) A summons which has not been served may, at the request of the party who filed it, be amended on or before the day for hearing named in the summons to name another day.
(2) The summons may be amended—
(a) if the summons is to be heard by the Court constituted by a Judge of the Court, by the Prothonotary or a Judge's Associate;
(b) if the summons is to be heard by the Court constituted by an Associate Judge, by an Associate Judge's Associate or the Prothonotary.
(3) A summons shall not be amended under this Rule more than once.
(4) This Rule does not limit the power of the Court under Rule 36.01.