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Posse Comitatus Act

The Posse Comitatus Act is a United States federal law (18 U.S.C.§ 1385, original at 20 Stat.152 signed into law on June 18, 1878, by PresidentRutherford B. Hayes) which makes it a felony for any person to use the federal military to enforce federal law unless authorized to do so by law.

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