of the Federal Aviation Administration to withhold from consideration and approval any new application for participation in the Contract Tower Program, or for reevaluation of Cost-share Program participants as long as the Federal Aviation Administration has received an application from the airport, and as long as the Administrator determines such tower is eligible using the factors set forth in Federal Aviation Administration published establishment criteria. 119C. None of the funds made available by this Act may be used to close, consolidate, or re-designate any field or regional airports division office unless the Administrator submits a request for the reprogramming of funds under section 405 of this Act. Federal highway administration Limitation on administrative expenses (highway trust fund) (including transfer of funds) Not to exceed $453,549,689, together with advances and reimbursements received by the Federal Highway Administration, shall be obligated for necessary expenses for administration and operation of the Federal Highway Administration. In addition, $3,248,000 shall be transferred to the Appalachian Regional Commission in accordance with section 104(a) of title 23, United States Code. Federal-aid highways (limitation on obligations) (highway trust fund) Funds available for the implementation or execution of Federal-aid highway and highway safety construction programs authorized under titles 23 and 49, United States Code, and the provisions of the Fixing America's Surface Transportation Act shall not exceed total obligations of $46,365,092,000 for fiscal year 2020: Provided , That the Secretary may collect and spend fees, as authorized by title 23, United States Code, to cover the costs of services of expert firms, including counsel, in the field of municipal and project finance to assist in the underwriting and servicing of Federal credit instruments and all or a portion of the costs to the Federal Government of servicing such credit instruments: Provided further , That such fees are available