XIX. PARTIES
Rule 43. Changing, Substituting Parties.
The legal representative of a deceased party may voluntarily become a party to the appeal at any time.
(c) Temporary Administrator.
A temporary administrator is regarded as a competent party to substitute for the deceased.
(d) Substituted Party.
When a party seeks to be substituted in a case, the party shall file a motion in this Court and serve opposing counsel.