U.S. Congress nears Iran war powers deadline

On April 28, 2026, the U.S. Congress was nearing a 60-day legal deadline to either approve or halt U.S. military action against Iran that President Donald Trump began on February 28.

The time limit stems from the 1973 War Powers Act, which requires a president to end hostilities after 60 days if Congress has not provided authorization. The approaching cutoff has put renewed focus on whether the conflict can continue under U.S. law without a vote on Capitol Hill.

War Powers Act clock points to May 1

Officials have treated May 1 as the key date because it marks 60 days since President Trump notified Congress about the attacks. Under the statute, that notification triggers the countdown for congressional authorization or termination.

The military campaign has involved both U.S. and Israeli forces, according to the source material. As the deadline nears, the central question is whether Congress will act to assert its role in decisions over war and the use of force.

Presidents have often pushed past the 60-day limit

The War Powers framework reflects constitutional and statutory limits on unilateral military action. However, the source material notes that U.S. presidents have repeatedly disputed or tested these constraints, including by continuing operations beyond 60 days without explicit approval from Congress.

That history matters because it shapes expectations about what happens if lawmakers do not pass an authorization. The result, as described, can be continued military action with unresolved legal footing rather than a clear legislative mandate.

Courts typically avoid stepping into war powers disputes

Experts from the Project on Government Oversight (POGO) said federal courts generally steer away from intervening in these conflicts between the political branches. In practice, that leaves enforcement largely to Congress and the president.

The same experts indicated that the judiciary’s reluctance to weigh in can make the deadline more of a political test than a guaranteed stopping point. If neither branch forces a resolution, the conflict may proceed without a definitive legal settlement.

Republican leaders have not signaled an authorization vote

Republicans hold majorities in both the Senate and the House, and the source material says party leaders have not indicated plans to bring forward legislation to authorize the war. That is the case even as some dissent exists within the party.

Some Republican senators have raised concerns or floated alternatives, including an Authorization for Use of Military Force (AUMF). Still, the source material says a full congressional vote to endorse the conflict has not occurred.

Absent action by Congress or intervention by courts, the war could continue on what the source describes as legally ambiguous grounds. The May 1 deadline is set to test whether Congress will use its authority to clarify, limit, or approve the ongoing military campaign.