138. (1)(a) The Board or any other income-tax authority specified by it by a general or special order in this behalf may furnish or cause to be furnished to— (i) […]
136. Any proceeding under this Act before an income-tax authority shall be deemed to be a judicial proceeding within the meaning of sections 193 and 228 and for the purposes […]
135. The Principal Director General or Director General or Principal Director or Director, the Principal Chief Commissioner or Chief Commissioner or Principal Commissioner or Commissioner and the Joint Commissioner shall […]
134. The Assessing Officer, the Deputy Commissioner (Appeals), the Joint Commissioner or the Commissioner (Appeals), or any person subordinate to him authorised in writing in this behalf by the Assessing […]
133C. 31[(1)] The prescribed income-tax authority32 may, for the pur- poses of verification of information in its possession relating to any person, issue a notice to such person requiring him, […]
133B. (1) Notwithstanding anything contained in any other provision of this Act, an income-tax authority may, for the purpose of collecting any information which may be useful for, or relevant […]
133A. (1) Notwithstanding anything contained in any other provision of this Act, an income-tax authority may enter— (a) any place within the limits of the area assigned to him, or […]
133. The Assessing Officer, the Deputy Commissioner (Appeals), the Joint Commissioner or the Commissioner (Appeals) may, for the purposes of this Act,— (1) require any firm to furnish him with […]