Rule 22 Only representative to appear on claim of any person not a party

In any proceedings for the administration of the estate of a deceased person, no party other than the representative shall, except by leave of [^f1 the judge or district judge as the case may be], be entitled to appear either in court or in chambers on the claim of any person not a party to the proceedings against the estate of the deceased person in respect of any debt or liability.

[ The judge or district judge as the case may be] may direct or give liberty to any other party to the proceedings to appear either in addition to or in place of the representative.