To ensure that the changes to average daily attendance resulting from the revision of the calculation of apportionments for high school pupils concurrently enrolled in adult education pursuant to Assembly Bill 1891 of the 1991-92 Regular Session do not result in unintended reductions to the minimum funding guarantee established by Section 8 of Article XVI of the California Constitution, the following shall be used to determine the average daily attendance computed pursuant to paragraph (1) of subdivision (a) of Section 14022.3, for the purpose of determining “changes in enrollment” for the 1992–93 and 1993–94 fiscal years and for subsequent fiscal years pursuant to paragraph (2) of subdivision (b) of Section 8 of Article XVI of the California Constitution:

1. (a) For the 1992–93 fiscal year, Section 42238.5 is hereby deemed to refer to that section as it existed on July 1, 1992, for the purpose of calculating average daily attendance for both the 1991–92 and 1992–93 fiscal years.
2. (b) For the 1993–94 fiscal year, Section 42238.5 is hereby deemed to refer to that section as amended by Assembly Bill 1891 of the 1991–92 Regular Session for the purposes of calculating the average daily attendance for both the 1992–93 and 1993–94 fiscal years.
3. (c) For the 1994–95 and each fiscal year thereafter, Section 42238.5 is hereby deemed to refer to that section as amended by Assembly Bill 1891 of the 1991–92 Regular Session for the purposes of calculating the average daily attendance for both the prior and current fiscal years.