Federal Role in U.S. Campaigns and Elections: An Overview. Congressional Research Service, Library of Congress. R. Sam Garrett. September 4, 2018
Conventional wisdom holds that the federal government plays relatively little role in U.S. campaigns and elections. Although states retain authority for most aspects of election administration, a closer look reveals that the federal government also has steadily increased its presence in campaigns and elections in the past 50 years. Altogether, dozens of congressional committees and federal agencies could be involved in federal elections under current law.
[PDF format, 43 pages].