I have access to the WestlawNext(tm) legal research system. This is the same costly system used by every court of appeals, supreme court, and every major U.S. law school in the USA. My search of Florida case law shows that neither Section 730.304, nor 730.31 has ever been interpreted by any Florida appellate court. Consequently, your attempt to use the statutes as a means to limit the board from materially altering the association property without a membership vote is entirely ripe for legal dispute.
The better argument in my opinion, derives from the position that homeowners have a reasonable expectation that the common areas of the community will not be altered without a membership vote. However, the real power here is the declaration of covenants. Without reviewing the covenants, I can only guess at the board's powers, however, if you really intend to challenge the board's actions, I believe that you will need support from the covenants in order to do so.
I can review the covenants, but I would have to send you an additional services offer customary legal services fees would apply). Please let me know if you are interested.
If not, then, I hope I've answered your question. Please let me know if you require further clarification. And, please provide a positive feedback rating for my answer -- otherwise, I receive nothing for my efforts in your behalf.
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