; (C) in subparagraph (B), by striking In carrying out the program and inserting In carrying out the Cost-share Program ; (D) in subparagraph (C), by striking participate in the program and inserting participate in the Cost-share Program ; and (E) in subparagraph (F), by striking the program continued under paragraph (1) and inserting the Contract Tower Program . (d) Approval of certain applications for the Contract Tower Program (1) In General If the Administrator of the Federal Aviation Administration has not implemented a revised cost-benefit methodology for purposes of determining eligibility for the Contract Tower Program before the date that is 30 days after the date of enactment of this Act, any airport with an application for participation in the Contract Tower Program pending as of January 1, 2017, shall be approved for participation in the Contract Tower Program if the Administrator determines the tower is eligible under the criteria set forth in the Federal Aviation Administration report entitled Establishment and Discontinuance Criteria for Airport Traffic Control Towers , and dated August 1990 (FAA–APO–90–7). (2) Requests for Additional Authority The Administrator shall respond not later than 60 days after the date the Administrator receives a formal request from an airport and air traffic control contractor for additional authority to expand contract tower operational hours and staff to accommodate flight traffic outside of current tower operational hours. (3) Definition of Contract Tower Program In this section, the term Contract Tower Program has the meaning given the term in section 47124(e) of title 49, United States Code, as added by this Act. 134. Government share of project costs Section 47109(a) of title 49, United States Code, is amended— (1) in paragraph (1), by striking primary airport having at least .25 percent of the total number of passenger boardings each year at all commercial service airports; and inserting medium or large hub airport;