(1A)[Notwithstanding anything contained in sub-section (1), the deduction, in computing the total income of an undertaking, which begins to manufacture or produce articles or things or computer software during the previous year relevant to any assessment year commencing on or after the 1st day of April, 2003, in any special economic zone, shall be,-(i)hundred per cent. of profits and gains derived from the export of such articles or things or computer software for a period of five consecutive assessment years beginning with the assessment year relevant to the previous year in which the undertaking begins to manufacture or produce such articles or things or computer software, as the case may be, and thereafter, fifty per cent. of such profits and gains for further two consecutive assessment years, and thereafter;(ii)for the next three consecutive assessment years, so much of the amount not exceeding fifty per cent. of the profit as is debited to the profit and loss account of the previous year in respect of which the deduction is to be allowed and credited to a reserve account (to be called the "Special Economic Zone Re-investment Allowance Reserve Account") to be credited and utilised for the purposes of the business of the assessee in the manner laid down in sub-section (1B):][Provided that no deduction under this section shall be allowed to an assessee who does not furnish a return of his income on or before the due date specified under sub-section (1) of section 139.] [ Inserted by Act 18 of 2005, Section 5 (w.e.f. 1.4.2006).]
