; and (2) by adding at the end the following: (d) With respect to the vacancy of the position of head of any agency listed in subsection (b) of section 901 of title 31, or any other position that is within the President's cabinet and to which this section applies, subsections (a) through (c) of this section and sections 3348(c), 3349(b), and 3349a(b) shall be applied by substituting 120 for 210 in each instance. . (f) Exclusivity Section 3347 of title 5, United States Code, is amended— (1) by redesignating subsection (b) as subsection (c); and (2) by inserting after subsection (a) the following: (b) Notwithstanding subsection (a), any statutory provision covered under paragraph (1) of such subsection that contains a non-discretionary order or directive to designate an officer or employee to perform the functions and duties of a specified office temporarily in an acting capacity shall be the exclusive means for temporarily authorizing an acting official to perform the functions and duties of such office. . (g) Reporting of vacancies (1) In general Section 3349 of title 5, United States Code, is amended— (A) in subsection (a)— (i) by striking immediately upon in each instance and inserting not later than 7 days after ; (ii) in paragraph (3), by striking and at the end; (iii) in paragraph (4), by striking the period at the end and inserting ; and ; and (iv) by adding at the end the following: (5) notification of the end of the term of service of any person serving in an acting capacity and the name of any subsequent person serving in an acting capacity and the date the service of such subsequent person began not later than 7 days after such date. ; and (B) in subsection (b), by striking immediately and inserting not later than 14 days after the date of such determination . (2) Technical corrections Paragraphs (1) and (2) of subsection (b) of such section 3349 are amended to read as follows: (1) the Committee on Homeland Security and Governmental Affairs of the Senate