(1) Subject to such rules as may be prescribed and for reasons to be recorded in writing, the Commissioner may, upon application, revise any order, other than an order referred to in Section 82 and an order of assessment against which an appeal lies under Section 79, passed by a person appointed under sub-section (1) of section 3 to assist him.

(2) Notwithstanding anything contained in sub-section (1), the Commissioner may, upon application filed during the period commencing from the 1st day of July, 2006 and ending on the 30th day of June, 2008, revise a final appellate or revisional order from an order of assessment.