Registrar powers and duties: central administrative control and procedural gatekeeping for tribunal filings and records.

Rule 78 designates the Registrar as the Tribunal's principal officer under Chairperson or President control, responsible for custody of records and the official seal, receiving and scrutinising petitions and applications, authenticating orders, ensuring compliance, collecting information for tribunal functions, deciding registration eligibility, requiring amendments or declining improperly presented documents, fixing first hearing dates subject to tribunal directions, and handling service, inspection, copies, substitutions and return-of-document applications, with Registrar decisions being appealable to the Tribunal.

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