43b. Substituted by the Finance Act, 2008, w.e.f. 1-4-2008. Prior to its substitution, sub-section (1) read as under :

        “(1) Where a return has been made under section 115WD,—

   (i)  if any tax or interest is found due on the basis of such return, after adjustment of any advance tax paid, any tax paid on self-assessment and any amount paid otherwise by way of tax or interest, then, without prejudice to the provisions of sub-section (2), an intimation shall be sent to the assessee specifying the sum so payable, and such intimation shall be deemed to be a notice of demand issued under section 156 and all the provisions of this Act shall apply accordingly; and

  (ii)  if any refund is due on the basis of such return, it shall be granted to the assessee and an intimation to this effect shall be sent to the assessee:

        Provided that except as otherwise provided in this sub-section, the acknowledgement of the return shall be deemed to be an intimation under this sub-section where either no sum is payable by the assessee or no refund is due to him:

        Provided further that no intimation under this sub-section shall be sent after the expiry of one year from the end of the financial year in which the return is made.”