Appeal means a case filed with the Tribunal by a person who is dissatisfied with a final order or final decision made under the taxation law or the customs law by any government department or government organization responsible for the collection of taxes, or assigned by the Government through a notification from time to time.

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

Review means a case re-filed with the Tribunal by any person against the order arising from an appeal or revision made by the Tribunal to review in accordance with the prescribed requirements.

Reference means the case to be referred to the Supreme Court of the Union on the ground of arising issues of law after a case filed with the Tribunal has been heard by the full bench.