(a) Notwithstanding the standards and criteria adopted pursuant to paragraph (3) of subdivision (a) of Section 33128, for the 2003-04 and 2004-05 fiscal years, the minimum state requirement for a reserve for economic uncertainties is one-half of the percentage for a reserve adopted by the State Board of Education pursuant to Section 33128 as of May 1, 2003. (b) For the 2005-06 fiscal year, the minimum state requirement for a reserve for economic uncertainties shall be restored to the percentage adopted by the State Board of Education pursuant to Section 33128 as of May 1, 2003.