Florida Asks Justices to Bar California Corporate Tax Rule (1)

Oct. 29, 2025, 7:00 PM UTCUpdated: Oct. 29, 2025, 9:05 PM UTC

The state of Florida is hoping to convince the US Supreme Court that California’s requirement that businesses exclude proceeds from “substantial and occasional” sales from their state tax returns deprives the former state of tax and investment revenue to the detriment of its citizens and businesses.

“The message to corporations is clear: put your property and payroll in California, or else risk severe over-apportionment of business income,” Florida said in its bill of complaint filed Tuesday with the nation’s highest court.

California apportions a business’s income to the state by looking only at its total sales, not its payroll and ...

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