124 STAT. 3567 PUBLIC LAW 111–329—DEC. 22, 2010 (B) by striking the period at the end of paragraph (7) and inserting ‘‘; and’’; and (C) by inserting after paragraph (7) the following: ‘‘(8) $1,850,000,000 for the 6-month period beginning on October 1, 2010.’’. (2) OBLIGATION OF AMOUNTS.—Subject to limitations speci- fied in advance in appropriation Acts, sums made available pursuant to the amendment made by paragraph (1) may be obligated at any time through September 30, 2011, and shall remain available until expended. (3) PROGRAM IMPLEMENTATION.—For purposes of calcu- lating funding apportionments and meeting other requirements under sections 47114, 47115, 47116, and 47117 of title 49, United States Code, for the 6-month period beginning on October 1, 2010, the Administrator of the Federal Aviation Administration shall— (A) first calculate funding apportionments on an annualized basis as if the total amount available under section 48103 of such title for fiscal year 2011 were $3,700,000,000; and (B) then reduce by 50 percent— (i) all funding apportionments calculated under subparagraph (A); and (ii) amounts available pursuant to sections 47117(b) and 47117(f)(2) of such title. (b) PROJECT GRANT AUTHORITY.—Section 47104(c) of such title is amended by striking ‘‘December 31, 2010,’’ and inserting ‘‘March 31, 2011,’’. SEC. 5. EXTENSION OF EXPIRING AUTHORITIES. (a) Section 40117(l)(7) of title 49, United States Code, is amended by striking ‘‘January 1, 2011.’’ and inserting ‘‘April 1, 2011.’’. (b) Section 44302(f)(1) of such title is amended— (1) by striking ‘‘December 31, 2010,’’ and inserting ‘‘March 31, 2011,’’; and (2) by striking ‘‘March 31, 2011,’’ and inserting ‘‘June 30, 2011,’’. (c) Section 44303(b) of such title is amended by striking ‘‘March 31, 2011,’’ and inserting ‘‘June 30, 2011,’’. (d) Section 47107(s)(3) of such title is amended by striking ‘‘January 1, 2011.’’ and inserting ‘‘April 1, 2011.’’. (e) Section 47115(j) of such title is amended by striking ‘‘January 1, 2011,’’ inserting ‘‘April 1, 2011,’’. (f) Section 47141(f) of such title is amended by striking ‘‘December 31, 2010.’’ and inserting ‘‘March 31, 2011.’’. (g) Section 49108 of such title is amended by striking ‘‘December 31, 2010,’’ and inserting ‘‘March 31, 2011,’’. (h) Section 161 of the Vision 100—Century of Aviation Reauthorization Act (49 U.S.C. 47109 note) is amended by striking ‘‘January 1, 2011,’’ and inserting ‘‘April 1, 2011,’’. (i) Section 186(d) of such Act (117 Stat. 2518) is amended by striking ‘‘January 1, 2011,’’ inserting ‘‘April 1, 2011,’’. Time period.
