Income Tax Appellate Tribunal rules require revised Form 36 for address changes and broaden registrar and representation rules. Amendments revise definitions to include Central Board appointed authorised representatives and Chief Commissioner authorised persons; expand Registrar powers to receive appeals, miscellaneous applications and stay petitions; require filing of a revised Form No. 36 for address changes with appeal identification for service; substitute 'Assessing Officer' for 'Income Tax Officer' and 'CIT(Appeals)' for 'Appellate Assistant Commissioner'; provide that appeals do not abate on death, insolvency or winding up if a revised Form No. 36 is filed; and require triplicate filing and disclosure of prior miscellaneous applications.