The Department of the Treasury's Office of Foreign Assets Control (OFAC) is amending the Global Terrorism Sanctions Regulations (GTSR), and the Transnational Criminal Organizations Sanctions Regulations (TCOSR), to implement and reference the Hizballah International Financing Prevention Amendments Act of 2018 (HIFPAA). OFAC is also amending the GTSR to implement and reference the Sanctioning the Use of Civilians as Defenseless Shields Act of 2018 (Shields Act). OFAC is further amending the TCOSR to implement Executive Order 13863 of March 15, 2019 ("Taking Additional Steps to Address the National Emergency with respect to Significant Transnational Criminal Organizations"). Finally, OFAC is amending the Hizballah Financial Sanctions Regulations (HFSR), to make certain technical and conforming changes and to update certain provisions.