I don't think the wording is the problem. It says what it does.
The problem is in the effect of the law.
Article 8 Section 1-b (d) says that an elderly or disabled person's property taxes (on their home) can't be increased if the money would go to public schools. It also establishes the concept that their current (unincreasable) educational property taxes are transferable property; they can take this "limitation" with them if they move.
However, while it establishes the concept, it doesn't enact anything. Section 1-b (d) doesn't say that people can take their limitation with them if they move. It says that the legislature is free to make a law allowing them to do so:
> The legislature, by general law, may provide for the transfer of all or a proportionate amount of a limitation provided by this subsection for a person who qualifies for the limitation and establishes a different residence homestead.
It also has two clauses, which I assume were added by amendment, specifying a reduced limitation for the year 1997 and for the year 2015. I didn't notice any clause authorizing the legislature to enact this type of reduction, but they seem to have managed to do it all the same.
Anyway, the new subsection also doesn't make any changes to the limitation. Like the clause about transferring your limitation from one home to another home, this one authorizes the legislature to modify the limitation under certain circumstances:
> Notwithstanding Subsections (d) and (d-1) of this section, the legislature by general law may provide for the reduction of the amount of a limitation provided by Subsection (d) of this section and applicable to a residence homestead for a tax year to reflect any statutory reduction from the preceding tax year in the maximum compressed rate, as defined by general law, or a successor rate of the maintenance and operations taxes imposed for general elementary and secondary public school purposes on the homestead.
Bad writing isn't the reason this is difficult to understand. The reason is that there are too many layers of indirection; the system itself is difficult to understand, and therefore any description of it will also be difficult to understand.
The only effect of this law appears to be to authorize the state legislature to pass laws. They could already do that. What is the effect supposed to be?