The Authorization for Use of Military Force (AUMF) (Pub.L. 107–40 (text) (pdf), 115 Stat. 224) is a joint resolution of the United States Congress which became law on September 18, 2001, authorizing the use of the United States Armed Forces against those responsible for the September 11 attacks. The authorization granted the President the authority to use all "necessary and appropriate force" against those whom he determined "planned, authorized, committed or aided" the September 11 attacks, or who harbored said persons or groups.The AUMF was passed by the 107th Congress on September 14, 2001, and signed into law by President George W. Bush on September 18, 2001. Since 2001, U.S. Presidents have interpreted their authority under the AUMF to extend beyond al Qaeda and the Taliban in Afghani