; (2) the head of a relevant university-based center within the Department’s centers of excellence network; and (3) the heads of other appropriate Federal agencies. 435. Open source screening The Secretary shall, to the greatest extent practicable, and in a risk based manner, review open source information of visa applicants. . (b) Clerical amendment The table of contents in section 1(b) of the Homeland Security Act of 2002 is amended by this Act, is further amended by inserting after the item relating to section 433 the following new items: Sec. 434. Social media screening. Sec. 435. Open source screening. . C Visa cancellation and revocation 541. Cancellation of additional visas (a) In general Subsection (g) of section 222 of the Immigration and Nationality Act ( 8 U.S.C. 1202(g) ) is amended— (1) in paragraph (1)— (A) by striking Attorney General, and inserting Secretary of Homeland Security, ; and (B) by inserting and any other nonimmigrant visa issued by the United States that is in the possession of the alien after such visa ; and (2) in paragraph (2)(A), by striking (other than the visa described in paragraph (1)) issued in a consular office located in the country of the alien’s nationality and inserting (other than a visa described in paragraph (1)) issued in a consular office located in the country of the alien’s nationality or foreign residence . (b) Effective date and application The amendments made by subsection (a) shall take effect on the date of the enactment of this Act and shall apply to a visa issued before, on, or after such date. 542. Visa information sharing (a) In general Section 222(f) of the Immigration and Nationality Act ( 8 U.S.C. 1202(f) ) is amended— (1) in the introductory text, by striking issuance or refusal and inserting issuance, refusal, or revocation ; (2) in paragraph (2), in the matter preceding subparagraph (A), by striking and on the basis of reciprocity ; (3) in paragraph (2)(A)— (A) by inserting —(i) after for the purpose of ; and (B) by striking illicit weapons