Income Tax Act, 1961
Section 149. TIME LIMIT FOR NOTICE.
(1) No notice under section 148 shall be issued for the relevant assessment year, – (a) in a case where an assessment under sub-section (3) of section 143 or section 147 has been made for such assessment year, –
(i) If four years have elapsed from the end of the relevant assessment year, unless the case falls under sub-clause (ii) or sub-clause (iii);
(ii) If four years, but not more than seven years, have elapsed from the end of the relevant assessment year unless the income chargeable to tax which has escaped assessment amounts to or is likely to amount to rupees fifty thousand or more for that year;
(iii) If seven years, but not more than ten years, have elapsed from the end of the relevant assessment year, unless the income chargeable to tax which has escaped assessment amounts to or is likely to amount to rupees one lakh or more for that year;
(b) In any other case, – (i) If four years have elapsed from the end of the relevant assessment year, unless the case falls under sub-clause (ii) or sub-clause (iii);
(ii) If four years, but not more than seven years, have elapsed from the end of the relevant assessment year, unless the income chargeable to tax which has escaped assessment amounts to or is likely to amount to rupees twenty-five thousand or more for that year;
(iii) If seven years, but not more than ten years, have elapsed from the end of the relevant assessment year, unless the income chargeable to tax which has escaped assessment amounts to or is likely to amount to rupees fifty thousands or more for that year.
Explanation : In determining income chargeable to tax which has escaped assessment for the purposes of this sub-section, the provisions of Explanation 2 of section 147 shall apply as they apply for the purposes of that section.
(2) The provisions of sub-section (1) as to the issue of notice shall be subject to the provisions of section 151.
(3) If the person on whom a notice under section 148 is to be served is a person treated as the agent of a non-resident under section 163 and the assessment, reassessment or recomputation to be made in pursuance of the notice is to be made on him as the agent of such non-resident, the notice shall not be issued after the expiry of a period of two years from the end of the relevant assessment year.