114 STAT. 78 PUBLIC LAW 106-181—APR. 5, 2000 (1), after a restoration under paragraph (2), to apply all or part of a restored amount that is not required to fund a grant under an apportionment to fund discretionary grants. "(4) LIMITATIONS ON OBLIGATIONS APPLY. —Nothing in this subsection shall be construed to authorize the Secretary to incur grant obligations under section 47104 for a fiscal year in an amount greater than the amount made available under section 48103 for such obligations for such fiscal year.". SEC. 130. DESIGNATING CURRENT AND FORMER MILITARY AIRPORTS. (a) IN GENERAL. —Section 47118 is amended— (1) in subsection (a)— (A) by striking "12" and inserting "15"; and (B) by striking paragraph (2) and inserting the following: "(2) the airport is a military installation with both military and civil aircraft operations."; (2) by striking subsection (c) and inserting the following: "(c) CONSIDERATIONS.— In carrying out this section, the Secretary shall consider only current or former military airports for designation under this section if a grant under section 47117(e)(1)(B) would— "(1) reduce delays at an airport with more than 20,000 hours of annual delays in commercial passenger aircraft takeoffs and landings; or "(2) enhance airport and air traffic control system capacity in a metropolitan area or reduce current and projected flight delays."; (3) in subsection (d)— (A) by striking "47117(e)(1)(E)" and inserting "47117(e)(1)(B)"; (B) by striking "5-fiscal-year periods" and inserting "periods, each not to exceed 5 fiscal years,"; and (C) by striking "each such subsequent 5-fiscal-year period" and inserting "each such subsequent period"; and (4) by adding at the end the following: "(g) DESIGNATION OF GENERAL AVIATION AIRPORT. —Notwithstanding any other provision of this section, one of the airports bearing a designation under subsection (a) may be a general aviation airport that was a former military installation closed or realigned under a section referred to in subsection (a)(1).". (b) TERMINAL BUILDING FACILITIES. —Section 47118(e) is amended by striking "$5,000,000" and inserting "$7,000,000 ". (c) ELIGIBILITY OF AIR CARGO TERMINALS. — Section 47118(f) is amended— (1) in subsection heading by striking "AND HANGARS" and inserting "HANGARS, AND AIR CARGO TERMINALS"; (2) by striking "$4,000,000" and inserting "$7,000,000"; and (3) by inserting after "hangars" the following: "and air cargo terminals of an area that is 50,000 square feet or less". SEC. 131. CONTRACT TOWER COST-SHARING. Section 47124(b) is amended by adding at the end the following: "(3) CONTRACT AIR TRAFFIC CONTROL TOWER PILOT PRO- GRAM. — "(A) IN GENERAL. —The Secretary shall establish a pilot program to contract for air traffic control services at Level
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