Write notes on the following: Appellate authorities under the Income-tax Act, 1961

Appeal against the order of the Income-tax Officer lies with the Appellate Assistant Commissioner or the Commissioner (Appeals) or Commissioner of Income-tax. Appeal against the order of the Appellate Assistant Commissioner or the Commissioner (Appeals) can be preferred by the assessee or the income-tax department and such appeal lies with the Appellate Tribunal. Appeal against the order of the Appellate Tribunal by way of reference by the Tribunal can also be preferred by the assessee or the income-tax department and such appeal lies to the High Court. The Order of the High Court on the reference can be challenged either by the assessee or by the income-tax department by preferring an appeal to the Supreme Court which is the final appellate authority.