Section 1201.35 - Substituting parties(a) If an appellant dies or is otherwise unable to pursue the appeal, the processing of the appeal will only be completed upon substitution of a proper party. Substitution will not be permitted where the interests of the appellant have terminated because of the appellant's death or other disability.(b) The representative or proper party must file a motion for substitution within 90 days after the death or other disabling event, except for good cause shown.(c) In the absence of a timely substitution of a party, the processing of the appeal may continue if the interests of the proper party will not be prejudiced.