; (B) the constitutional and legislative authority under which such actions took place; and (C) the circumstances necessitating the actions taken pursuant to paragraph (1), including how such actions comply with the limitations described in paragraph (2). (5) Periodic reporting If the briefing required under paragraph (4) is not provided by the Secretary of State and the Secretary of Homeland Security within 48 hours after exercising the authority under paragraph (1), and updated every 30 days thereafter, such emergency suspension or action shall immediately terminate absent intervening congressional action. (6) Publication The Secretary of State and the Secretary of Homeland Security shall publicly announce and publish in the Federal Register— (A) the nature of the actions taken pursuant to paragraph (1); (B) the estimated number of individuals impacted by such actions; (C) the specified objective of each such action