Non-Intervention

Kosovo, 1999-2000: Prohibits the Department of Defense from using troops in Kosovo unless specifically authorized by law.

Constitutional War Powers Resolution of 2001. HJ 27, 2001-03-06. Repeals the 1973 War Powers Resolution (WPR) entirely, prohibiting presidents from initiating a war without a formal declaration of war by Congress.

Iraq Resolution declaration of war. Motion in re HJ 114, 2002-10-02. In order to prevent Congress from yielding its Constitutional authority to declare war to the executive branch, which does not Constitutionally hold that power, gives Congress the opportunity to declare war on Iraq, rather than merely "authorizing" the president to deploy forces without a declaration of war. Paul said that he would not vote for his own motion, but that if his fellow members of Congress wished to go to war in Iraq, they should follow the Constitution and declare war.

Iran and Syria: HConRes 43, 2007-01-23. Expressing the sense of Congress that the President should implement Recommendation 9 of the Iraq Study Group Report. Urges the President to implement Recommendation 9 of the Iraq Study Group Report, recommending direct engagement with Iran and Syria toward constructive results.

Sunset of Public Law 107-243 Act of 2007. HR 2605, 2007-06-07. Establishes a sunset clause for the Authorization for Use of Military Force Against Iraq Resolution of 2002. As one of six Republicans to vote against the Iraq Resolution (which authorized military force for stated purposes without declaring war), Paul also inspired the founding of a group called the National Peace Lobby Project to promote a resolution he and Oregon representative Peter DeFazio sponsored to repeal the war authorization in February 2003. His speech, 35 "Questions That Won't Be Asked About Iraq", was translated and published in German, French, Russian, Italian, and Swiss periodicals before the Iraq War began.

Constitutional War Powers Amendments of 2007. HJ 53, 2007-09-25 (cosponsor). Replaces the 1973 War Powers Resolution with law ensuring the "collective judgment of both the Congress and the President" in use of war powers.