; (2) the Committee on Oversight and Reform of the House of Representatives; . (h) Vacancies during presidential inaugural transitions Subsection (b) of section 3349a of title 5, United States Code, is amended to read as follows: (b) Notwithstanding section 3346 (except as provided in paragraph (2) of this subsection) or 3348(c), with respect to any vacancy that exists on a transitional inauguration day, or that arises during the 60-day period beginning on such day, the person serving as an acting officer as described under section 3345 may serve in the office— (1) for no longer than 300 days beginning on such day; or (2) subject to subsection 3346(b), once a first or second nomination for the office is submitted to the Senate, from the date of such nomination for the period that the nomination is pending in the Senate. .