Faceless appeal procedural powers: authorised specification of e-appeal systems, service, verification, storage and grievance mechanisms. The Principal Chief Commissioner or Principal Director General overseeing the National Faceless Appeal Centre, with Board approval, may prescribe standards, procedures and processes for automated functioning of the Centre and appeal units, covering service of communications, receipt and acknowledgement of documents and responses, verification and authentication of submissions, centralised storage and retrieval, provision of an e-appeal facility with login and tracking, filing of additional grounds and evidence, and general administration and grievance redressal.