; ; (2) in clause (ii), by striking the period at the end and inserting ; and ; and (3) by adding at the end the following: (iii) the amount described in clause (i) (as of the last increase to such amount) shall be increased, effective for the third fiscal year that begins after the date of the enactment of this clause and for every third fiscal year thereafter, by the percentage (if any) by which the Consumer Price Index for the month of June preceding the date on which such increase takes effect exceeds the Consumer Price Index for the same month of the third preceding calendar year. .