The Commissioner of Income Tax (Appeals) is the first appellate authority and the Income Tax Appellate Tribunal (ITAT) is the second appellate authority. Appeal to the ITAT can be filed by any of the aggrieved party either by the taxpayer or by the Assessing Officer. The ITAT is constituted by the Central Government and functions under the Ministry of Law. ITAT consists of two classes of members Judicial and Accountant. In this part you can gain knowledge about various provisions relating to appeals to the ITAT