; and (B) the nondelegable duties of such office. (2) With respect to any office established after such date of enactment to which this section and sections 3345, 3346, 3347, 3348, 3349a, 3349b, 3349c, and 3349d apply, not later than 180 days after the date such office is established, the head of the Executive agency at which such office is located shall issue regulations containing the information described under subparagraphs (A) and (B) of paragraph (1). (3) If the first assistant position or nondelegable duties are modified by law with respect to an office for which regulations have been issued under paragraph (1) or (2), the head of the Executive agency at which such office is located shall update the regulations not later than 180 days after the date that such modification takes effect. . (4) Vacancy of Inspector General positions Section 3345 of title 5, United States Code, as amended by paragraph (3), is further amended by adding at the end the following: (f) (1) Notwithstanding subsection (a), if an Inspector General position that requires appointment by the President by and with the advice and consent of the Senate to be filled is vacant, the first assistant shall serve as the acting Inspector General. (2) If the first assistant position is vacant, the first assistant is unable or unavailable to serve as acting Inspector General, or there is no first assistant position, the acting Inspector General shall be appointed by chief judge of United States District Court for the District of Columbia pursuant to paragraph (3). (3) On the date an Inspector General position becomes vacant, the Chair of the Council of Inspectors General for Integrity and Efficiency shall convene a committee of three Inspectors General to recommend, to the chief judge, at least two candidates to serve as acting Inspector General. The committee shall submit its recommendation to the chief judge within 14 days after such date, and the chief judge shall make the appointment within 14 days of receipt of the recommendations. . (b)