S. 10AA : Special economic zones-Computation of profits and gains of eligible unit for grant of deduction would be independent of computation of profits and gains of ineligible unit-Permitted to carry forward losses of its ineligible unit-Amendment to section 10AA takes effect only from 1-4-2018-Direction is issued to the respondent to either accept the manual return of the assessee or alter the software to permit it to again file online its returns claiming the carry forward of losses of its ineligible unit for the assessment years in question. [S. 72]