; 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 interest waiver The President may waive the application of the sanctions under subsection (b) with respect to a foreign person if the President— (1) determines that such a waiver is in the national interest of the United States; and (2) submits to the appropriate congressional committees a notice of and justification for the waiver. (e) Termination and sunset The authority to impose sanctions with regards to a person involved in the construction of a particular Russian energy export pipeline under subsection (b), and any sanctions imposed pursuant to such authority, shall terminate on the earlier of— (1) the date on which the President certifies to the appropriate congressional committees that appropriate safeguards have been put in place to— (A) minimize the ability of Russia to use the pipeline as a tool of coercion and political leverage, including by achieving unbundling of energy production and transmission so that Russian state-owned entities do not control the transmission network for the pipelines, transparency in the energy market, and effective regulatory oversight; and (B) ensure, barring unforeseen circumstances, that the project would not result in a decrease of more than 25 percent in the transit of Russian energy exports through existing pipelines in other countries, particularly Ukraine, relative to the average monthly transit of Russian energy exports through such pipelines in 2018; or (2) the date that is 10 years after the date of the enactment of this Act. (f) Definitions In this section: (1) Admission; admitted