Circular No. 344-Income Tax The Income-tax (Amendment) Bill, 1981 was passed by both Houses of Parliament during the monsoon session last year and received the assent of the President on September 4, 1981. It has been enacted as the Income-tax (Amendment) Act, 1981 and published in the Gazette of India (Extraordinary), dated September 4, 1981 as Act 22 of 1981.