US Federal Senate Bill SB2087

US Federal 2025-2026 Regular Session

• Introduced: 6/17/25
• Refer: 6/17/25

Caption

No War Against Iran Act

Summary

SB2087, titled the No War Against Iran Act, would bar the use of federal funds for military force in or against Iran unless Congress has first declared war or enacted a new, specific statutory authorization that satisfies the War Powers Resolution. The bill also states that existing authorizations for the use of military force, including the 2001 AUMF and the 2002 Iraq AUMF, cannot be read to authorize force against Iran. The measure is framed as a clarification of Congress’s constitutional war powers and spending authority. It emphasizes that Congress alone has the power to declare war and control appropriations, and it preserves the President’s ability to act only in circumstances consistent with the War Powers Resolution, including limited self-defense-related uses of force where applicable. It also makes clear that nothing in the bill itself authorizes military action. If enacted, the bill would change federal law by restricting executive branch discretion to initiate or fund military operations against Iran absent explicit congressional approval. It would affect the Department of Defense and other federal agencies by prohibiting obligations or expenditures for such force unless Congress acts first, while leaving intact existing War Powers Resolution consultation, reporting, and emergency-defense provisions. The overall sentiment reflected in the bill text is strongly anti-war and pro-congressional oversight, with sponsors seeking to prevent an unauthorized conflict with Iran. Because there are no recorded votes or committee transcripts provided, there is no broader legislative debate to gauge, but the bill’s structure suggests support from members concerned about executive overreach, escalation in the Middle East, and the use of outdated authorizations for new military action. The main point of contention is likely whether Congress should preemptively restrict the President’s ability to respond militarily to Iranian threats or regional escalation without a fresh authorization. Supporters would emphasize constitutional limits and avoiding another war, while opponents may argue the bill could reduce flexibility in crisis response or complicate deterrence and self-defense operations.

Impact

The bill would amend the practical operation of federal war powers and appropriations law by prohibiting the obligation or expenditure of federal funds for military force in or against Iran unless Congress has declared war or enacted a new, specific authorization consistent with the War Powers Resolution. It also clarifies that prior AUMFs, including the 2001 and 2002 authorizations, do not provide authority for force against Iran. The affected parties would primarily be the executive branch, especially the President and the Department of Defense, which would be constrained from using funds for unauthorized military action against Iran.

Sentiment

The bill’s tone and sponsorship indicate a strong anti-war, anti-escalation sentiment and a desire to reaffirm Congress’s constitutional role in decisions about war. With no committee transcript or vote record provided, there is no evidence of formal opposition or support in debate, but the bill itself reflects concern about unauthorized military action and executive overreach. The overall posture is precautionary and restrictive rather than permissive.

Contention

The likely contention is over whether Congress should require explicit prior authorization before any military force against Iran, versus preserving presidential flexibility to respond quickly to threats. Supporters of the bill are likely to argue that existing war authorizations should not be stretched to cover Iran and that Congress must control both war-making and funding. Opponents would likely focus on the need for deterrence, rapid response, and preserving the President’s ability to defend U.S. forces, allies, and partners in a fast-moving regional conflict.