; and (B) who knew, or should have known, that the official's subordinates were committing sexual or gender-based violence and failed to take adequate steps to prevent such violence or punish the individuals responsible for such violence. (3) Updates Not less frequently than every 180 days, the President shall submit to the appropriate congressional committees an updated version of the list required by paragraph (1). (b) Sanctions (1) Visa ban The Secretary of State shall deny a visa to, and the Secretary of Homeland Security shall exclude from the United States, any individual included in the most recent list required subsection (a). (2) List of specially designated nationals and blocked persons (A) In general Not later than 180 days after the date of the enactment of this Act, the President shall— (i) determine whether the individuals specified in subparagraph (B) should be included on the SDN list; and (ii) submit to the appropriate congressional committees a report, in classified form if necessary, on the procedures for including those individuals on the SDN list under existing authorities of the Department of the Treasury. (B) Individuals specified The individuals specified in this subparagraph are— (i) the head of each unit of the military or security forces of Burma that was operational during the so-called clearance operations that began during or after October 2016, including— (I) Senior General Min Aung Hlaing; and (II) Major General Khin Maung Soe; (ii) any senior official of the military or security forces of Burma for which the President determines there are credible reports that the official has aided, participated, or is otherwise implicated in gross human rights violations in Burma, including sexual and ethnic- or gender-based violence