; (2) acted as an agent of or on behalf of a foreign person in a matter relating to an activity described in paragraph (1); or (3) is responsible for or complicit in inciting a foreign person to engage in an activity described in paragraph (1). (b) Updates The President shall submit to the appropriate congressional committees an update of the list required by subsection (a) as new information becomes available. (c) Guidance relating to submission of certain information The Secretary of State shall issue public guidance, including through United States diplomatic and consular posts, relating to how names of foreign persons who may be included on the list required by subsection (a) may be submitted to the Department of State. (d) Form (1) In general The list required by subsection (a) shall be submitted in unclassified form. (2) Exception The name of a foreign person to be included in the list required by subsection (a) may be submitted in a classified annex only if the President— (A) determines that it is vital for the national security interests of the United States to do so; (B) uses the annex in a manner consistent with congressional intent and the purposes of this Act; and (C) not later than 15 days before submitting the name in a classified annex, provides to the appropriate congressional committees notice of, and a justification for, including or continuing to include each foreign person in the classified annex despite any publicly available credible information indicating that the foreign person engaged in an activity described in subsection (a). (3) Consideration of certain information In preparing the list required by subsection (a), the President shall consider— (A) information provided by the chairperson or ranking member of each of the appropriate congressional committees