While appellate courts in other parts of the country have issued similar decisions, the panel said it was a first-of-its-kind ruling in the 11th Circuit.
State leaders have long sought to reduce the size of Citizens, at least in part, because of financial risks if Florida gets hit by a major hurricane or multiple hurricanes.
Fundraising has ratcheted up after Trump’s conviction on 34 counts of falsifying business records, but experts in Florida pointed to issues such as voters already having their minds made up.
Florida’s children’s health program dates to the 1990s, with subsidized insurance available to families with incomes up to 210 percent of the federal poverty level.
Altman’s preliminary-injunction ruling Wednesday prohibited state and local officials from enforcing a section of the law dealing with transportation of people.