31 C.F.R. § 594.802
Any action that the Secretary of the Treasury is authorized to take pursuant to Executive Order 13224 of September 23, 2001, and any further Executive orders relating to the national emergency declared therein, and any action that the Secretary of the Treasury is authorized to take pursuant to Presidential Memorandum of October 11, 2017: Delegation of Certain Functions and Authorities under the Countering America's Adversaries Through Sanctions Act of 2017 or any further Presidential action relating to Title I of the Countering America's Adversaries Through Sanctions Act of 2017 (Pub. L. 115-44 ), Presidential Memorandum of January 15, 2019: Delegation of Functions and Authorities Under the Hizballah International Financing Prevention Act of 2015, as Amended, and the Hizballah International Financing Prevention Amendments Act of 2018, and Presidential Memorandum of May 24, 2019: Delegation of Functions and Authorities Under the Sanctioning the Use of Civilians as Defenseless Shields Act, may be taken by the Director of the Office of Foreign Assets Control or by any other person to whom the Secretary of the Treasury has delegated authority so to act.
31 C.F.R. §594.802