LAND ACQUISITION COSTS.

SEC. 506. LAND ACQUISITION COSTS. Notwithstanding section 47108 of title 49, United States Code, the Secretary may approve an upward adjustment not to exceed $750,000 in the maximum obligation of the United States under an airport improvement program grant made under subchapter I of chapter 471 of subtitle VII of such title to a reliever airport after September 1, 1989, and before October 1, 1989, in order to assist in funding increased land acquisition costs (as determined in judicial proceedings) and associated eligible project costs.