Louis Brandeis, Alton Company v. United States…
“ The jurisdiction of courts to review orders of the Commission is not dependent upon the form in which the order is couched. If the Eastern carriers had applied to the Commission for a change in the divisions fixed by agreement, and the Commission had authorized divisions precisely like those which they are now imposing upon the Alton by their unauthorized action, the order would have been affirmative in form and would obviously have been subject to attack by the Alton in a suit in the federal court. ”
