The Posse Comitatus Act restricts the role of the U.S. military in enforcing domestic laws in the United States.
October 08, 2025
high
legal
Federal statute limiting use of military forces for domestic law enforcement operations.
The Posse Comitatus Act limits the U.S. military's role in enforcing domestic laws.
October 07, 2025
high
legal
U.S. federal law constraining domestic use of military forces.
The Posse Comitatus Act, enacted in 1878, limits the U.S. military's role in enforcing domestic civil laws.
June 18, 1878
high
legal
Federal statutory restriction on use of federal military forces in domestic law enforcement.
The Insurrection Act operates as a statutory exception to the Posse Comitatus Act, which generally prohibits federal troops from conducting civilian law enforcement.
January 01, 1807
high
temporal
Explains the legal relationship between the Insurrection Act and the Posse Comitatus Act regarding domestic use of federal forces.