Florida, Plaintiff v. California and Franchise Tax Board of California

  1. February 27, 2026

    Calif. Urges Justices To Pass On Fla.'s Challenge To Tax Rule

    Florida's challenge to a special California apportionment rule lacks the importance required to warrant the U.S. Supreme Court exercising its original jurisdiction to hear a dispute between states, California told the justices on Friday.

  2. January 02, 2026

    State And Local Tax Cases To Watch In 2026

    From Florida's suit against California over single-sales-factor apportionment to matters in New York and New Jersey challenging an interpretation of when a federal law applies to internet transactions, 2026 promises to reveal a lot about state and local tax law. Here, Law360 examines cases to watch this year.

  3. December 10, 2025

    Calif. Asks Justices For Time To Respond To Fla.'s Tax Claims

    California asked the U.S. Supreme Court for more time to respond to Florida's claims that a California apportionment rule unconstitutionally discriminates against out-of-state businesses, signaling that the state intends to rebut Florida's arguments instead of waiving its response.

  4. November 26, 2025

    State & Local Tax Takeaways From November

    From a win for A&E Television Networks over New York City's unincorporated business tax to Colorado voters' approval of ballot measures to raise income taxes on high earners, November was a lively month for state and local tax. Here, Law360 looks at these and other state and local tax highlights from the past month.