; and (4) to any legal requirement, directive, or other provision of law of or related to the Office of Management and Budget. (b) General fund share In addition to amounts made available under subsection (a), there is further authorized to be appropriated from the general fund of the Treasury such sums as may be necessary for the Federal Aviation Administration Operations account. Such funds shall not be subject to any sequestration order issued under the Balanced Budget and Emergency Deficit Control Act of 1985 or any subsequent law requiring such sequestration. (c) Authorization To transfer certain funds To prevent reduced operations and staffing Notwithstanding any other provision of law, within any fiscal year, the Administrator may transfer, to the account funding Administration operations, up to 5 percent of funds available for any budget activity in any other account of the Federal Aviation Administration to prevent reduced operations and staffing of the Federal Aviation Administration and to ensure a safe and efficient air transportation system. . (b) Essential air service Section 41742 of title 49, United States Code, is amended by striking paragraph (2) of subsection (a) and inserting the following: (2) Additional funds Beginning October 1, 2017, from amounts deposited into the Airport and Airway Trust Fund, the sum of $175,000,000 for each fiscal year is authorized and shall be made available immediately, in addition to amounts made available under paragraph (1) and subsection (b), for obligation and expenditure to carry out the essential air service program under this subchapter. . 3. Flexibility (a) Office of management and budget The Federal Aviation Administration shall be exempt from any order, directive, rule, or other requirement of the Office of Management and Budget. (b) Office of the secretary of transportation The revisions to the procurement and personnel systems of the Federal Aviation Administration under sections 6(a) and 7(a) shall not be subject to approval, modification, or review by