Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Not written by a barrister. The name was thought up by a second-year American law student sitting in a coffeehouse in Manhattan. Neither an authoritative statement of the law nor legal advice. Don't rely. Quick work.
Fifth Circuit: Plaquemines Parish v. Riverwood Production Co.
Motion to remove to federal court was untimely, as the facts underlying the claimed notice of federal subject matter were already evident in the claim prior to the amendment of claim that prompted the removal.