; and (B) a timeline setting forth the first day the cabinet-level official will be unable to perform the functions and duties of their office and the date the cabinet-level official expects to be able to resume performance of such functions and duties. (3) Date of submission Except as provided in subsection (c), the cabinet-level official shall submit notice under this subsection before such cabinet-level official is unable to perform the functions and duties of their office. (4) National security waiver (A) In general The President may waive the publication requirement under paragraph (1)(B) if the President determines such publication would severely jeopardize United States national security. The President shall submit a notice of such waiver (in writing) to the congressional leaders with a detailed explanation of the reasons for the waiver. (B) Publication Notwithstanding subclause (A), any of the congressional leaders may publish the applicable notification waived under such subclause if that congressional leader determines the President’s reasons under such subclause do not merit the waiver. (b) End of period of absence Any cabinet-level official who, after a period of inability to perform the functions and duties of the office, shall— (1) on the date such official is able to resume the performance of such functions and duties, submit a notification (in writing) to the President and the congressional leaders