(6)Every guideline issued under sub-section (5) shall be laid before each House of Parliament.Explanation.—For the purposes of this section,—(i)interest payable under section 234A, for the purposes of sub-section (1), shall be computed on the amount of tax on the total income as declared in the return, under sub-section (8A) of section 139, in accordance with the provisions of sub-section (1A) of section 140A;(ii)interest payable under section 234C, for the purposes of sub-section (2), shall be computed after taking into account the total income furnished in the return under sub-section (8A) of section 139 as the returned income;(iii)interest payable, for the purposes of sub-section (3), shall be the interest chargeable under any provision of this Act, on the income as per return furnished under sub-section (8A) of section 139, as reduced by interest paid, in accordance with the earlier return, if any:Provided that for the purposes of this clause, the interest paid in the earlier return shall be nil if such return is an updated return referred to in sub-section (1)