(1) The Bengal Finance (Sales Tax) Act, 1941 (Bengal Act VI of 1941), as in force in Delhi (hereinafter referred to as the said Act), is hereby repealed:
     Provided that such repeal shall not affect the previous operation of the said Act or any right, title, obligation or liability already acquired, accrued or incurred thereunder and subject thereto, anything done or any action taken including any appointment, notification, notice, order, rule, form or certificate in the exercise of any power conferred by or under the said Act shall be deemed to have been done or taken in the exercise of the powers conferred by or under this Act, as if this Act were in force on the date on which such thing was done or action was taken, and all arrears of tax and other amounts due at the commencement of this Act may be recovered as if they had accrued under this Act.
     (2) Any application for revision pending immediately before the date on which the Appellate Tribunal is constituted under section 13 (hereafter in this section referred to as the notified date), before the Commissioner under the Bengal Finance (Sales Tax) Act, 1941 (Bengal Act VI of 1941), as in force in the Union territory of Delhi shall on such date stand transferred to, and be disposed of by the Tribunal:
     Provided that no application for revision shall be transferred to the Appellate Tribunal if the petitioner making the application for revision waives his right of appeal to the Tribunal within fifteen days after the notified date, in which case the application for revision shall be disposed of by the Commissioner as if it were an application for revision made under section 47.
     (3) Any application for revision, pending immediately before the notified date, before the Commissioner and transferred to the Appellate Tribunal under sub-section (2) shall be disposed of by the Appellate Tribunal as if it were an appeal made to the Tribunal under and in accordance with the provisions of section 43 of this Act.
     (4) Where an appeal against an order passed by an officer under this Act lies to the Appellate Tribunal after the notified date, and the period of limitation specified for filing such appeal under this Act has not expired, then, such appeal shall lie to the Tribunal within thirty days of the notified date or within the expiry of the period of limitation specified for filing such appeal, whichever is later.