; or (B) such requirement has been replaced by a regulation that has a similar effect and requires foreign travelers to gain a level of permission to enter the Tibet Autonomous Region that is not required for travel to other provinces in China; and (2) restrictions on travel by officials, journalists, and citizens of the United States to areas designated as Tibetan Autonomous in the provinces of Sichuan, Qinghai, Yunnan, and Gansu of China are greater than any restrictions on travel by such officials and citizens to areas in such provinces that are not so designated. (b) Current visas revoked The Secretary of State shall revoke, in accordance with section 221(i) of the Immigration and Nationality Act ( 8 U.S.C. 1201(i) ), the visa or other documentation to enter or be present in the United States issued for an alien who would be ineligible to receive such a visa or documentation under subsection (a). (c) Waiver for national interests (1) In general The Secretary of State may waive the application of subsection (a) or (b) in the case of an alien if the Secretary determines that such a waiver— (A) is necessary to permit the United States to comply with the Agreement Regarding the Headquarters of the United Nations, signed at Lake Success June 26, 1947, and entered into force November 21, 1947 (TIAS 1676), or any other applicable international obligation of the United States