Research ReportCRS ReportVersion 9
R40958
United States v. Comstock: Legislative Authority Under the Necessary and Proper Clause
Published Jan 3, 2012Updated Jun 20, 2025
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The Congressional Research Service is a nonpartisan policy and legal analysis arm of the Library of Congress. CRS reports are written for members of Congress and their staff, not the public — but they’re made available openly through Congress.gov.