Section 42. Payment and recovery of tax and interest on

(1) The amount of tax assessed, reassessed or becoming payable for any period under section 32, 33, 34, 35, 75 or 79, less any amount already paid by the dealer in respect of such period, shall together with penalty and interest if any that may become payable under any of the provisions of this Act, be paid by the dealer or the person liable therefor into a Government treasury or in such other manner as may be prescribed within thirty days from the date of service of notice of demand issued by the Commissioner for this purpose.

(2) On an application by the dealer, the Commissioner may in respect of any particular dealer or person and for reasons to be recorded in writing, extend the time for payment or allow payment by installments, subject to such conditions as he may think fit to impose in the circumstances of the case.

(3) In a case where payment by installments is allowed under subsection (2) and the dealer or the person liable for such payment commits default in paying any one of the installments within the time fixed by the Commissioner under that sub-section, the dealer or the person shall be deemed to be in default in respect of the whole of the amount then outstanding and the other installments shall be deemed to have been due on the same date as the installment in default.

(4) Interest at the rate of eighteen per cent per annum shall be charged for the period as may be extended or the installments as may be granted under sub-section (2).

(5) If the amount of tax and penalty, if any, is not paid within the time specified in sub-section (1) or extended under sub-section (2), as the case may be, the dealer or the person liable therefor shall be deemed to be in default in respect of that amount.

(6) Where the amount of tax assessed or reassessed for any period, under section 34 or section 35, subject to revision, if any, under section 75, exceeds the amount of tax already paid by a dealer for that period, there shall be paid by such dealer, for the period commencing from the date of expiry of the time prescribed for payment of tax under sub-section (1), (2) or (3) of section 30 and ending on date of order of assessment, reassessment or, as the case may be, revision, simple interest at the rate of eighteen per cent per annum on the amount of tax not so paid or any less amount thereof remaining unpaid during such period.

(7) Where a dealer does not pay the amount of tax falling under subsection (1) on or before the prescribed date, then there shall be paid by such dealer for the period commencing on the specified date and ending on the date of payment, simple interest at the rate of eighteen per cent per annum on the amount of tax not so paid or any less amount thereof remaining unpaid during such period :

Provided that where security, other than in the form of surety bond, has been furnished by a dealer under sub-sections (1) and (2) of section 28, the Commissioner may, for good and sufficient reasons to be recorded in writing, realise any amount of tax, penalty or interest remaining unpaid as aforesaid or part thereof by ordering forfeiture of the whole or any part of the security.