Rectification of mistake
(1)
An income-tax authority referred to in section 236, for rectifying any mistake apparent from the record, may amend any— (a) order passed by it under the provisions of this Act;
(b)
intimation or deemed intimation under section 271(1);
(c)
intimation under section 399.
(2)
Irrespective of anything contained in any law in force, the authority concerned may, amend any order under sub-section (1) in relation to any matter, other than the matter considered and decided in any proceeding by way of appeal or revision, relating to such order.
(3)
Subject to the other provisions of this section, the authority concerned,–– (a) may make an amendment under sub-section (1) of its own motion; and (b) shall make such amendment for rectifying any such mistake which has been brought to its notice by— (i) the assessee or the deductor or the collector; or (ii) the Assessing Officer, if the authority concerned is the Joint Commissioner (Appeals) or the Commissioner (Appeals).
(4)
No amendment that enhances an assessment, reduces a refund or otherwise increases the liability of the assessee or the deductor or the collector, shall be made under this section by the authority concerned without giving–– (a) a notice of its intention of making such amendment; and (b) a reasonable opportunity of being heard.