years”, the words “twenty-one months” had been substituted : Provided further that in case the assessment year in which the income was first assessable is the assessment year commencing on or after the 1st day of April, 2005 but before the 1st day of April, 2009 and during the course of the proceeding for the assessment of total income, a reference under sub-section (1) of section 92CA— 1. (i) Was made before the 1st day of June, 2007 but an order under sub-section (3) of that section has not been made before such date; or 2. (ii) Is made on or after the 1st day of June, 2007, The provisions of clause (a) shall, notwithstanding anything contained in the first proviso, have effect as if for the words “two years”, the words “thirtythree months” had been substituted: Provided also that in case the assessment year in which the income was first assessable is the assessment year commencing on the 1st day of April, 2009 or any subsequent assessment year and during the course of the proceeding for the assessment of total income, a reference under sub-section (1) of section 92CA is made, the provisions of clause (a) shall, notwithstanding anything contained in the first proviso, have effect as if for the words "two years", the words "three years" had been substituted. (1A) No order of assessment shall be made under section 115WE or section 115WF at any time after the expiry of twenty-one months from the end of the assessment year in which the fringe benefits were first assessable. (1B) No order of assessment or reassessment shall be made under section 115WG after the expiry of nine months from the end of the financial year in which the notice under section 115WH was served. (2) No order of assessment, reassessment or recomputation shall be made under section 147 after the expiry of one year from the end of the financial year in which the notice under section 148 was served : Provided that where the notice under section 148 was served on or after the 1st day of April, 1999 but before the 1st day of April, 2000, such assessment, reassessment or recomputation may be made at any time up to the 31st day of March, 2002: Provided further that where the notice under section 148 was served on or after the 1st day of April, 2005 but before the 1st day of April, 2011, the provisions