The 2007–09 global financial crisis required that the Federal Reserve, Treasury Department and Federal Deposit Insurance Corporation survey their various legal authorities and consider how they might be used to mitigate the meltdown of the United States financial system. This essay explores the range of legal authorities and procedural issues presented by key facilities implemented during the crisis, many of which were new and creative. This essay also provides valuable examples of how such authorities were used and describes how, in some instances, agencies worked together to design innovative interventions that no separate agency could have achieved alone