I'm not 100% certain I understand it, but I see 3 sections in there:
The constitutional amendment authorizing the legislature to provide for the reduction of the amount of
a limitation on the total amount of ad valorem taxes that may be imposed for general elementary and secondary public school purposes on the residence homestead of a person who is elderly or disabled
to reflect any statutory reduction from the preceding tax year in the maximum compressed rate of the maintenance and operations taxes imposed for those purposes on the homestead.
The constitutional amendment authorizing the legislature to provide for the reduction of the amount of
a limitation on the total amount of ad valorem taxes that may be imposed for general elementary and secondary public school purposes on the residence homestead of a person who is elderly or disabled
to reflect any statutory reduction from the preceding tax year in the maximum compressed rate of the maintenance and operations taxes imposed for those purposes on the homestead.