, That the Secretary may make discretionary grants for airport development improvements of primary runways, taxiways, and aprons necessary at a nonhub, small hub, medium hub, or large hub airport to increase operational resilience for the purpose of resuming commercial service flight operations following flooding, high water, hurricane, storm surge, tidal wave, tornado, tsunami, wind driven water, or winter storms: Provided further, That the amounts made available under this heading shall not be subject to any limitation on obligations for the Grants-in-Aid for Airports program set forth in any Act: Provided further, That the Administrator of the Federal Aviation Administration may retain up to 0.5 percent of the amounts made available under this heading to fund the award and oversight by the Administrator of grants made under this heading. ADMINISTRATIVE PROVISIONS—FEDERAL AVIATION ADMINISTRATION (INCLUDING RESCISSIONS) 110. None of the funds made available by this Act may be used to compensate in excess of 600 technical staff-years under the federally funded research and development center contract between the Federal Aviation Administration and the Center for Advanced Aviation Systems Development during fiscal year 2024. 111. None of the funds made available by this Act shall be used to pursue or adopt guidelines or regulations requiring airport sponsors to provide to the Federal Aviation Administration without cost building construction, maintenance, utilities and expenses, or space in airport sponsor-owned buildings for services relating to air traffic control, air navigation, or weather reporting: Provided, That the prohibition on the use of funds in this section does not apply to negotiations between the agency and airport sponsors to achieve agreement on below-market rates for these items or to grant assurances that require airport sponsors to provide land without cost to the Federal Aviation Administration for air traffic control facilities. 112. The Administrator of the Federal Aviation Administration