Appeal means an appeal filed to the Tribunal against a revenue order passed by any department responsible for collecting internal revenue or by the Customs Department or a final decision on revenue assessment made by any government department or organization assigned by the Government through a notification from time to time.

Revision means a case re-filed by an aggrieved person to the Tribunal, to revise, with respect to issues of fact, the order passed by a tribunal in accordance with law.

Review means a case re-filed to the Tribunal by any person receiving the decision of a tribunal, to review the decision.

Reference means a case referred to the Supreme Court of the Union because of issues of law after hearing it by the full bench.