Any person who has not previously been assessed by way of regular assessment under this Act, shall, before the 15th (fifteenth) day of June in each financial year, if his total income, subject to sub-section (2) of section 154, of the period which would be the income year for the immediately following assessment year is likely to exceed Taka six (6) lakh, submit to the Deputy Commissioner of Taxes an estimate of his total income and advance tax payable by him computed in the manner laid down in sub-section (1) of section 142 and shall pay such amount on such dates specified in sub-section (2) of section 155 as have not expired by installment dates which may be revised according to sub-section (5) of section 155.