101 STAT. 1502 49 USC app. 2210-
PUBLIC LAW 100-223—DEC. 30, 1987
(k) PROCEDURES FOR MODIFYING ASSURANCES.—Section 511 is furt h e r amended by adding a t the end thereof the following new subsection: "(f) PROCEDURES FOR MODIFYING ASSURANCES.—If the Secretary proposes to modify any a s s u r a n c e required of a person receiving a g r a n t under t h i s Act and in effect on or after the date of the e n a c t m e n t of this subsection or proposes to require compliance with any additional a s s u r a n c e from such person, the Secretary shall
first— Federal Register,
pu ica ion.
"(1) publish notice of such proposal in the Federal Register, ^jj^j
«^2) provide an opportunity for comment on such proposal.". SEC. 110. GRANT AGREEMENTS.
49 USC app. 2211-
(a) MAXIMUM OBLIGATION OF THE UNITED STATES.—Section 512(b) is amended to read a s follows: "(b) MAXIMUM OBLIGATION OF THE UNITED STATES.— "(1) GENERAL RULE.—Subject to paragraph s (2) and (3) of this subsection, w h e n a n offer is accepted in writing by a sponsor, the a m o u n t stated in the offer a s the maximum obligation of the United States may not be increased. "(2) EXCEPTIONS FOR FISCAL YEARS 1987 AND BEFORE.—The maximum obligation of the United States under this subsection with respect to a project receiving assistance under a g r a n t approved under this title on or before September 30, 1987, may be increased— "(A) by not more than 10 percent in the case of a project for airport development (other than a project for land acquisition); and "(B) by a n a m o u n t not to exceed 50 percent of the total increase in allowable project costs a t t r i b u t a b l e to a n acquisition of land or interests in land, based upon c u r r e n t credible appraisals. Any increase under t h i s section may b e paid only from funds recovered by the United States from other g r a n t s m a d e under
this title. "(3) EXCEPTIONS FOR FISCAL YEARS 1988 AND THEREAFTER.—The
maximum obligation of the United States under this subsection with respect to a project receiving assistance under a grant approved under this title or the Aviation Safety and Noise Abatement Act of 1979 after September 30, 1987, may be increased by not more than 15 percent in the case of a project for airport development.". (b) WoRKSCOPE.—Section 512 is amended by adding at the end thereof the following new subsection: "(d) WoRKSCOPE.—The Secretary may amend, with the consent of the grant recipient, a grant agreement entered into under this title to change the workscope of a project funded under such grant if such amendment does not result in any increase in the maximum obligation of the United States authorized under subsection (b) of this section.". (c) CONFORMING AMENDMENT.—Section 512(c) is amended by inserting "MAXIMUM OBLIGATION FOR GRANTS UNDER THE AIRPORT AND AIRWAY DEVELOPMENT OF 1970.—" before "Notwithstanding".
�
