Appellate Tribunal powers to confirm, modify or remit decisions, with limits on adjournments and amendments. The Appellate Tribunal may confirm, modify, annul or remit decisions for fresh adjudication after hearing parties and may admit additional evidence; it may grant adjournments for sufficient cause subject to a limit of three adjournments per party, should aim to decide appeals within one year, send copies of its orders to relevant authorities and parties, and may amend its own orders to rectify apparent mistakes within three months provided any amendment increasing liability is preceded by notice and an opportunity to be heard; its orders are final except as otherwise provided.