PUBLIC LAW 103-272—JULY 5, 1994 108 STAT. 1263 regulations prescribed under this subchapter. An offer shall state the obligations to be assumed by the sponsor and the maximum amount the Government will pay for the project from the amounts authorized under chapter 481 of this title (except sections 48102(e), 48106, 48107, and 48110). At the request of the sponsor, an offer of a grant for a project that will not be completed in one fiscal year shall provide for the obligation of amounts apportioned or to be apportioned to a sponsor under section 47114(c) of this title for the fiscal years necessary to pay the Government's share of the cost of the project. j\n offer that is accepted in writing by the sponsor is an agreement binding on the Government and the sponsor. The Government may pay or be obligated to pay a project cost only after a grant agreement for the project is signed. (b) INCREASING GOVERNMENT'S SHARE UNDER THIS SUBCHAPTER OR CHAPTER 475.— (1) When an offer has been accepted in writing, the amount stated in the offer as the maximum amount the Government will pay may be increased only as provided in paragraphs (2) and (3) of this subsection. (2)(A) For a project receiving assistance under a grant approved under the Airport and Airway Improvement Act of 1982 before October 1, 1987, the amount may be increased by not more than— (i) 10 percent for an airport development project, except a project for acquiring an interest in land; and (ii) 50 percent of the total increase in allowable project costs attributable to acquiring an interest in land, based on current creditable appraisals. (B) An increase under subparagraph (A) of this paragraph may be paid only from amounts the Government recovers from other grants made under this subchapter. (3) For a project receiving assistance under a grant approved under the Act, this subchapter, or chapter 475 of this title after September 30, 1987, the amount may be increased— (A) for an airport development project, by not more than 15 percent; and (B) for a grant after September 30, 1992, to acquire an interest in land for an airport (except a primary airport), by not more than the greater of the following, based on current creditable appraisals or a court award in a condemnation proceeding: (i) 15 percent; or (ii) 25 percent of the total increase in allowable project costs attributable to acquiring an interest in land. (c) INCREASING GOVERNMENT'S SHARE UNDER AIRPORT AND AIR- WAY DEVELOPMENT ACT OF 1970. — For a project receiving assistance under a grant made under the Airport and Airway Development Act of 1970, the maximum amount the Government will pay may be increased by not more than 10 percent. An increase under this subsection may be paid only from amounts the Government recovers from other grants made under the Act. (d) CHANGING WORKSCOPE. —With the consent of the sponsor, the Secretary may amend a grant agreement made under this subchapter to change the workscope of a project financed under the grant if the amendment does not result in an increase in the maximum amount the Government may pay under subsection (b) of this section.
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