05 January 2011
SECTION 139(4) OF IT ACT. Any person who has not furnished a return within the time allowed to him under sub-section (1), or within the time allowed under a notice issued under sub-section (1) of section 142, may furnish the return for any previous year at any time before the expiry of one year from the end of the relevant assessment year or before the completion of the assessment, whichever is earlier.