been, employed, funded, or otherwise sponsored by the Chinese People’s Liberation Army or any of the affiliated institutions identified on the most recently published list under subsection (a). (d) Exception To comply with United Nations headquarters agreement Subsection (b) shall not apply to an individual if admitting the individual to the United States is necessary to permit the United States to comply with the Agreement between the United Nations and the United States of America regarding the Headquarters of the United Nations, signed June 26, 1947, and entered into force November 21, 1947, and other applicable international obligations. (e) National security waiver The President, or a designee of the President, may waive the application of subsection (b) if the President or such designee certifies in writing to the appropriate congressional committees that such waiver is in the national security interest of the United States. 4. Security Advisory Opinion requirement A consular officer shall request a Security Advisory Opinion (commonly known as a Visa Mantis ) with respect to any national of the People’s Republic of China who applies for a nonimmigrant visa— (1) under section 101(a)(15)(F) of the Immigration and Nationality Act ( 8 U.S.C. 1101(a)(15)(F) ) for graduate study in a field related to an item on the Commerce Control List (maintained pursuant to part 744 of the Export Administration Regulations)