6.20[(1) Every Director General of Income-tax, Chief Commissioner of Income-tax, Director of Income-tax, Commissioner of Income-tax, Commissioner of Income-tax (Appeals), 21[Additional Director of Income-tax, Additional Commissioner of Income-tax, 22[Joint Director of Income-tax, Joint Commissioner of Income-tax], Deputy Director] of Income-tax, Deputy Commissioner of Income-tax, Assistant Director of Income-tax, Assistant Commissioner of Income-tax, Income-tax Officer, Tax Recovery Officer and Inspector of Income-tax shall have the like powers and perform the like functions under this Act as he has and performs under the Income-tax Act, and for the exercise of his powers and the performance of his functions, his jurisdiction under this Act shall be the same as he has under the Income-tax Act.]
(2) All officers and persons employed in the execution of this Act shall observe and follow the orders, instructions and directions of the Board :
Provided that no such orders, instructions or directions shall be issued
(a)so as to require any tax authority to make a particular assessment or to dispose of a particular case in a particular manner; or
(b)so as to interfere with the discretion of the Commissioner (Appeals) in the exercise of his appellate functions.
(3) Every 23[Assessing] Officer employed in the execution of this Act shall observe and follow the orders, instructions and directions issued for his guidance by the 24[Director General or Director or by the Chief Commissioner or Commissioner] or by the 25[Additional Commissioner of Income-tax or] 26[Joint Commissioner] within whose jurisdiction he performs his functions.