; regulatory authority (1) Implementation The President may exercise all authorities provided under sections 203 and 205 of the International Emergency Economic Powers Act (50 U.S.C. 1702 and 1704) to carry out this section. (2) Regulatory authority The President shall issue such regulations, licenses, and orders as are necessary to carry out this section. (d) National security waiver The President may waive, on a case-by-case basis, the application of a sanction under subsection (b) with respect to a foreign person if the President— (1) determines that such a waiver is in the national security interest of the United States