(1) Notwithstanding anything contained in any law for the time being in force, no proceedings for the recovery of any amount under this Act shall be initiated after the expiry of twelve years from the end of the relevant tax period or from the date of the relevant assessment, provided that when an appeal or application for revision has been filed, the period of limitation shall run from the date on which the amount due is finally determined.
(2) The period of limitation specified under sub-section (1) shall not apply to any case in which, during the course of recovery proceedings initiated under any clause of sub-section (3) of Section 42 or under Section 45, any other fresh proceedings are initiated.