The American Recovery and Reinvestment Act of 2009 (Recovery Act) aims to stimulate the economy. It provided $787 billion in spending and tax provisions; more than a third of the money was slated for projects and activities, including construction and certain research projects. To implement a project using federal funds, agencies and funding recipients must comply with federal laws and regulations. This report identified key federal requirements that apply to Recovery Act projects and to assess the extent to which: (1) selected agencies have obligated and spent funds for Recovery Act projects; and (2) federal requirements and other factors have affected, or are expected to affect, project selection and start dates. Tables.