; and (3) by adding at the end the following: (6) not more than $20,000,000 of the amount that may be distributed for the fiscal year from the discretionary fund established under section 47115, to the sponsor of a nonprimary airport to pay costs allowable under subsection (a) for terminal development projects, if the Secretary determines (which may be based on actual and projected enplanement trends, as well as completion of an air service development study, demonstrated commitment by airlines to provide commercial service accommodating at least 10,000 annual enplanements, the documented commitment of a sponsor to providing the remaining funding to complete the proposed project, and a favorable environmental finding (including all required permits) in support of the proposed project) that the status of the nonprimary airport is reasonably expected to change to primary status based on enplanements for the third calendar year after the issuance of the discretionary grant. . (b) Limitation Section 47119(f) of title 49, United States Code, is amended by striking $20,000,000 and inserting $30,000,000 . 719. Protecting general aviation airports from closure (a) Non-surplus property Section 47125 of title 49, United States Code, is amended by adding at the end the following: (c) Waiving restrictions (1) In general Subject to paragraph (2), the Secretary may grant to an airport, city, or county a waiver of any of the terms, conditions, reservations, or restrictions contained in a deed under which the United States conveyed to the airport, city, or county an interest in real property for airport purposes pursuant to section 16 of the Federal Airport Act (60 Stat. 179), section 23 of the Airport and Airway Development Act of 1970 (84 Stat. 232), or this section. (2) Conditions Any waiver granted by the Secretary pursuant to paragraph (1) shall be subject to the following conditions: (A) The applicable airport, city, county, or other political subdivision shall agree that in conveying any interest in the real property