Pub. L. 110–234 and Pub. L. 110–246 made identical amendments to this section. The amendments by Pub. L. 110–234 were repealed by section 4(a) of Pub. L. 110–246.

2018—Pub. L. 115–334 substituted “2023” for “2018”.

2014—Pub. L. 113–79 substituted “2018” for “2012”.

2008—Pub. L. 110–246, § 7135, substituted “2012” for “2007”.

2002—Pub. L. 107–171 substituted “such sums as may be necessary for each of fiscal years 1991 through 2007” for “$420,000,000 for fiscal year 1991, $430,000,000 for fiscal year 1992, $440,000,000 for fiscal year 1993, $450,000,000 for fiscal year 1994, and $460,000,000 for each of fiscal years 1995 through 2002”.

1998—Pub. L. 105–185 substituted “2002” for “1997”.

1996—Pub. L. 104–127 substituted “each of fiscal years 1995 through 1997” for “fiscal year 1995”.

1990—Pub. L. 101–624 substituted “$420,000,000 for fiscal year 1991, $430,000,000 for fiscal year 1992, $440,000,000 for fiscal year 1993, $450,000,000 for fiscal year 1994, and $460,000,000 for fiscal year 1995” for “$370,000,000 for the fiscal year ending September 30, 1986, $380,000,000 for the fiscal year ending September 30, 1987, $390,000,000 for the fiscal year ending September 30, 1988, $400,000,000 for the fiscal year ending September 30, 1989, and $420,000,000 for the fiscal year ending September 30, 1990.”

1985—Pub. L. 99–198 substituted “$370,000,000 for the fiscal year ending September 30, 1986, $380,000,000 for the fiscal year ending September 30, 1987, $390,000,000 for the fiscal year ending September 30, 1988, $400,000,000 for the fiscal year ending September 30, 1989, and $420,000,000 for the fiscal year ending September 30, 1990” for “$260,000,000 for the fiscal year ending September 30, 1978, $280,000,000 for the fiscal year ending September 30, 1979, $300,000,000 for the fiscal year ending September 30, 1980, $320,000,000 for the fiscal year ending September 30, 1981, $350,000,000 for the fiscal year ending September 30, 1982, $360,000,000 for the fiscal year ending September 30, 1983, $370,000,000 for the fiscal year ending September 30, 1984, and $380,000,000 for the fiscal year ending September 30, 1985, and not in excess of such sums as may after September 29, 1977, be authorized by law for any subsequent fiscal year”.

1981—Pub. L. 97–98 inserted provisions authorizing appropriations of $360,000,000 for fiscal year ending Sept. 30, 1983, $370,000,000 for fiscal year ending Sept. 30, 1984, and $380,000,000 for fiscal year ending Sept. 30, 1985.

Amendment of this section and repeal of Pub. L. 110–234 by Pub. L. 110–246 effective May 22, 2008, the date of enactment of Pub. L. 110–234, see section 4 of Pub. L. 110–246, set out as an Effective Date note under section 8701 of this title.

Pub. L. 99–198, title XIV, § 1423, Dec. 23, 1985, 99 Stat. 1552, provided that the amendment made by section 1423 is effective Oct. 1, 1985.

Amendment by Pub. L. 97–98 effective Dec. 22, 1981, see section 1801 of Pub. L. 97–98, set out as an Effective Date note under section 4301 of this title.

Section effective Oct. 1, 1977, see section 1901 of Pub. L. 95–113, set out as an Effective Date of 1977 Amendment note under section 1307 of this title.