The Posse Comitatus Act and Related Matters: The Use of the Military to Execute Civilian L…

Research ReportCRS ReportVersion 8

R42659

The Posse Comitatus Act and Related Matters: The Use of the Military to Execute Civilian Law

Published Nov 6, 2018Updated 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.

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S 1356114th Congress
National Defense Authorization Act for Fiscal Year 2016
Nov 25, 2015 · Became Public Law No: 114-92.
S 2943114th Congress
National Defense Authorization Act for Fiscal Year 2017
Dec 23, 2016 · Became Public Law No: 114-328.

The Posse Comitatus Act and Related Matters: The Use of the Military to Execute Civilian Law

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