Registrar powers govern tribunal administration, case registration, service and document inspection procedures under appellate tribunal rules. The Registrar is responsible for day-to-day administration and registry management of the Appellate Tribunal, including notifying filing procedure, registering and scrutinising appeals, petitions and applications, processing amendments, and receiving applications for fresh, short-date or substituted service of summons and for orders concerning admission and inspection of documents, together with incidental duties as directed by the President.