74. ¹[ (1) Every person who is required to file a return under section 75, 77, 78, 89(2), 91(3) or 93(1) shall, on or before the date on which he files the return, pay the amount of tax payable by him on the basis of such return or as per provision of ²[sub-section (4) of section 82C], which ever is higher, as reduced by the amount of any tax deducted from his income or paid by him in accordance with the provisions of this Chapter.] (2) Any amount paid under sub-section (1) shall be deemed to have been paid towards the sum as may be determined to be payable by him after regular assessment. (3) A person who, without reasonable cause, fails to pay the tax as required by sub-section (1) shall be deemed to be an assessee in default.