On December 20, 2019, the Senate passed S. 1790, the National Defense Authorization Act for Fiscal Year 2020 became law with § 1228 stating:PROHIBITION ON PROVISION OF WEAPONS AND OTHER FORMS OF SUPPORT TO CERTAIN ORGANIZATIONS.

None of the funds authorized to be appropriated by this Act or otherwise made available for the Department of Defense for fiscal year 2020 may be used to knowingly provide weapons or any other form of support to Al Qaeda, the Islamic State of Iraq and Syria (ISIS), Jabhat Fateh al Sham, Hamas, Hizballah, Palestine Islamic Jihad, al-Shabaab, Islamic Revolutionary Guard Corps, or any individual or group affiliated with any such organization.On January 23, 2017, Tulsi Gabbard sponsored the House version of the bill: "To prohibit the use of United States Government funds to provide assistance to Al Qaeda, Jabhat Fateh al-Sham, and the Islamic State of Iraq and the Levant (ISIL) and to countries supporting those organizations, and for other purposes."

[3] Six days prior, Gabbard had tweeted: "The practice of spending taxpayer dollars to fund counterproductive regime change wars must end.

[5] On June 13, 2019, Gabbard secured inclusion of a provision into the 2020 National Defense Authorization Act (NDAA) "to prohibit the use of taxpayer funds to provide weapons or any form of support to al-Qaeda, the Islamic State of Iraq and Syria, Jabhat Fateh al Sham, any individual or group associated with these organizations, or any entity the Secretary of Defense determines may trade or sell arms to terrorist organizations.

"[6] Gabbard commented: “Unfortunately, in their dogged pursuit of regime change war, leaders in Washington have used taxpayer dollars to fund programs that directly and indirectly support terrorist groups like al-Qaeda in places like Syria.