; and (B) an update of the list not later than 5 days after any new individual is appointed under paragraph (1). . 1906. Transportation Security Administration efficiency (a) Efficiency review (1) In general Not later than 270 days after the date of enactment of this Act, the Administrator shall complete a comprehensive, agency-wide efficiency review of the TSA to identify and effectuate spending reductions and administrative savings that can be achieved by the streamlining or restructuring of TSA divisions. (2) Requirements In carrying out the review under paragraph (1), the Administrator shall consider the following: (A) Eliminating unnecessarily duplicative or overlapping programs and initiatives. (B) Eliminating unnecessary or obsolete rules, regulations, directives, or procedures. (C) Reducing overall operating expenses of the TSA, including costs associated with the number of personnel, as a direct result of efficiencies gained through the implementation of risk-based screening or through any other means as determined appropriate by the Administrator in accordance with this section. (D) Reducing, by 20 percent, the number of positions at the Senior Executive Service level at the TSA as calculated on the date of enactment of this Act. (E) Such other matters the Administrator considers appropriate. (b) Report to Congress Not later than 30 days after the date the efficiency review under subsection (a) is complete, the Administrator shall submit to the appropriate committees of Congress a report on the findings, including a description of any cost savings expected to be achieved by the streamlining or restructuring of TSA divisions. 1907. Personnel management system review (a) In general Not later than 30 days after the date of enactment of this Act, the Administrator shall convene a working group consisting of representatives of the TSA and representatives of the labor organization representing security screening personnel to recommend reforms to the TSA’s personnel management system, including appeals to the