AUMF

Authorization for Use of Military Force: a law enacted in 2001, giving the U.S. president the authority to use military force against those persons or groups connected with the terrorist attacks of September 11, 2001.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for aumf

But the AUMF does not even mention al Qaeda, let alone its affiliates.
Even a Top Democrat Thinks Obama's Legal Case for War Makes No Sense|Eli Lake|September 19, 2014|DAILY BEAST
That is ironic politically because just this spring Obama asked Congress to narrow the 2001 AUMF or even consider phasing it out.
Obama's New War on ISIS May Be Illegal|Eli Lake|September 11, 2014|DAILY BEAST
Wittes said that he took an expansive view of what would constitute associated forces for the 2001 AUMF.
Obama's New War on ISIS May Be Illegal|Eli Lake|September 11, 2014|DAILY BEAST
The AUMF from 2001 is a declaration of war against al Qaeda and its associated forces.
Obama's New War on ISIS May Be Illegal|Eli Lake|September 11, 2014|DAILY BEAST

“The statutory issue depends on whether ISIS is covered by the AUMF,” he said.
‘Drone Memo’ Doesn’t Apply to America’s New Terror War|Eli Lake|June 24, 2014|DAILY BEAST