PolicyBrief
H.R. 5604
119th CongressSep 26th 2025
National Guard Proper Use Act
IN COMMITTEE

This bill prohibits active duty military and National Guard members operating under Title 32 from enforcing or assisting in the enforcement of immigration laws.

Andrea Salinas
D

Andrea Salinas

Representative

OR-6

LEGISLATION

New Act Bans Active Military, National Guard from Immigration Enforcement Duties

The “National Guard Proper Use Act” is straightforward: it puts a clear, legal wall between the U.S. military and federal immigration enforcement. This bill explicitly prohibits active duty members of the Armed Forces (those serving under Title 10) and National Guard members serving under federal orders for state missions (Title 32) from enforcing, or even helping to enforce, immigration laws. It’s essentially updating the law to make sure everyone knows where the line is drawn, reinforcing the long-standing principle that the military is generally not supposed to act as domestic police.

Why This Matters: Keeping the Military Out of Policing

For most people, the military and the police are two different things, and this legislation aims to keep it that way. The bill specifically ties these new prohibitions back to an existing federal law (18 U.S.C. 1385), often called the Posse Comitatus Act, which restricts the use of the military for domestic law enforcement purposes. By adding new sections to both Title 10 (Armed Forces) and Title 32 (National Guard), the bill provides statutory clarity. This is crucial because when state governors deploy the National Guard for border-related activities, they often do so under Title 32, meaning the troops are paid federally but report to the state. This bill ensures that even in those state-level deployments, immigration enforcement is off the table.

The Real-World Impact on Juggling Responsibilities

Think of it this way: when you’re juggling multiple high-stakes responsibilities—like managing a construction crew, coding a major project, or running a small business—you need clear boundaries about what your team is supposed to do. This bill provides that clarity for the military and the Guard. It means that military personnel can focus on their primary missions—defense, disaster relief, and training—without being pulled into complex and often controversial civilian law enforcement roles. For federal agencies that have recently relied heavily on National Guard support near the border, this bill forces them to use civilian personnel, like Border Patrol agents, for enforcement actions, rather than relying on military resources.

What “Support” Means and Where the Line Is

The text is clear: members cannot be ordered to perform duties that “enforce, or support the enforcement of, immigration laws.” This wording is key. While it prevents a soldier from actively detaining someone for an immigration violation, it also theoretically prevents them from providing logistical support—like driving enforcement agents or monitoring specific areas—if that support is directly and functionally tied to an enforcement action. The clarity here is strong, which is a benefit for busy people who hate legal ambiguity. The bill leaves little room for interpretation on the core function. It reinforces the idea that the military’s job is national defense, not domestic civilian law enforcement, providing a necessary safeguard against the blurring of those lines.