Section 139 ·

(1) Save as otherwise provided in this Act, if the amount of the tax for which a bill has been presented under section 138 is not paid within thirty days from the presentation thereof or if the tax on professions, trades and callings or the tax on advertisements is not paid after it has become due, the Chief Executive Officer may cause to be served upon the person liable for the payment of the same notice of demand in such form as may be specified by the Corporation by regulations. (2) For every notice of demand which the Chief Executive Officer causes to be served on any person under this section, a fee of such amount, not exceeding twenty-five rupees, as the Corporation may determine by regulations shall be payable by the said person and shall be included in the cost of recovery. TE 140. (1) If the person liable for the payment of any tax does not, within thirty days of the service of the notice of demand under section 139, pay the sum due and if no appeal is preferred against such tax, he shall be deemed to be in default. (2) When the person liable for the payment of any tax is deemed to be in default under sub-section (1), such sum, not exceeding fifteen per cent, of the amount of tax, as may be determined by the Corporation by regulations, may be recovered from him by way of penalty, in addition to the amount of the tax, the notice fee payable under sub-section (2) of section 139 and simple interest in accordance with sub-section (3). (3) Simple interest at such rate as may be determined by the State Government from time to time shall be payable on any amount of tax remaining unpaid with effect from the date from which the person referred to in sub-section (1) becomes a defaulter under that sub-section. (4) The amount due as penalty or interest under this section shall be recoverable as an arrear of tax under this Act.