(1) Every registered person shall furnish not later than the due date a true and correct return in the prescribed form to a designated bank specified by the Board, indicating the purchases and the supplies made during a tax period, the tax due and paid and such other information, as may be prescribed.

(2) If there is a change in the rate of tax during a tax period, a separate return in respect of each portion of tax period showing the application of different rates of tax shall be furnished.

(3) A registered person may file a revised return to correct any omission or wrong declaration made in a return filed under sub-section (1) or sub-section (2).

(4) Notwithstanding the penalties prescribed in section 33, if a registered person wishes to file revised return voluntarily along with deposit of the amount of tax short paid or amount of tax evaded along with additional tax, whenever it comes to his notice, before receipt of notice of audit, no penalty shall be recovered from him:

Provided that in case the registered person wishes to deposit the amount of tax as pointed out by the officer of sales tax during the audit, or at any time before issuance of the show cause notice in lieu of the audit report, he may deposit the evaded amount of tax, additional tax under section 34, and twenty-five per cent of the penalty payable under section 33 along with the revised return:

Provided further that in case the registered person wishes to deposit the amount after issuance of show cause notice, he shall deposit the evaded amount of sales tax (***), additional tax under section 34, and full amount of the leviable penalty under section 33 along with the revised return and thereafter, the show cause notice, shall stand abated.

(5) The Board may, by notification in the official Gazette, require any person or class of persons, for any goods of such description or class, to furnish such summary or details or particulars pertaining to the imports, purchases and supplies during any tax period or periods, in such format as may be specified.