This chapter, referred to in subsecs. (a) and (c), was in the original a reference to “this title” meaning title XIII of Pub. L. 90–448, Aug. 1, 1968, 82 Stat. 572, known as the National Flood Insurance Act of 1968, which is classified principally to this chapter. For complete classification of this Act to the Code, see Short Title note set out under section 4001 of this title and Tables.

2004—Subsec. (c). Pub. L. 108–264 substituted “through the date specified in section 4026 of this title, for studies under this chapter.” for “through the date specified in section 4026 of this title, for studies under this chapter. Any amount appropriated under this subsection shall remain available until expended.”

Pub. L. 108–199 made amendment identical to that made by Pub. L. 108–171. See 2003 Amendment note below.

2003—Subsec. (c). Pub. L. 108–171 substituted “the date specified in section 4026 of this title” for “December 31, 2003”.

Pub. L. 108–3 substituted “December 31, 2003” for “December 31, 2002”.

2001—Subsec. (c). Pub. L. 107–73 substituted “2002” for “2001”.

2000—Subsec. (c). Pub. L. 106–377 substituted “December 31, 2001” for “September 30, 2000”.

1999—Subsec. (c). Pub. L. 106–74 substituted “2000” for “1999”.

1998—Subsec. (c). Pub. L. 105–276 substituted “1999” for “1998”.

1997—Subsec. (c). Pub. L. 105–65 substituted “such sums as may be necessary through September 30, 1998, for studies under this chapter” for “for studies under this chapter not to exceed $36,283,000 for fiscal year 1990, and such sums as may be necessary for fiscal year 1991”.

1996—Subsec. (c). Pub. L. 104–204, which directed amendment of first sentence by substituting “such sums as may be necessary through September 30, 1997 for studies under this chapter.” for “this subsection” and all that follows, could not be executed because phrase “this subsection” does not appear in first sentence.

1989—Subsec. (c). Pub. L. 101–137 substituted provisions authorizing appropriations of not to exceed $36,283,000 for fiscal year 1990 and such sums as may be necessary for fiscal year 1991 for provisions authorizing appropriations of $37,000,000 for fiscal year 1988, and $37,000,000 for fiscal year 1989.

1988—Subsec. (c). Pub. L. 100–242 amended subsec. (c) generally. Prior to amendment, subsec. (c) read as follows: “There are authorized to be appropriated for studies under this chapter not to exceed $100,000,000 for the fiscal year 1977, not to exceed $108,000,000 for the fiscal year 1978, not to exceed $114,000,000 for the fiscal year 1979, not to exceed $74,000,000 for the fiscal year 1980, not to exceed $61,600,000 for the fiscal year 1981, not to exceed $42,600,000 for the fiscal year 1982, not to exceed $49,752,000 for the fiscal year 1984, and such sums as may be necessary for fiscal year 1985.”

1983—Subsec. (c). Pub. L. 98–181 inserted “not to exceed $49,752,000 for the fiscal year 1984, and such sums as may be necessary for fiscal year 1985”.

1981—Subsec. (c). Pub. L. 97–35 authorized appropriation of not to exceed $42,600,000 for fiscal year 1982.

1980—Subsec. (c). Pub. L. 96–399 authorized appropriation of not to exceed $61,600,000 for fiscal year 1981.

1979—Subsec. (c). Pub. L. 96–153 authorized appropriation of $74,000,000 for fiscal year 1980.

1978—Subsec. (c). Pub. L. 95–557 substituted “not to exceed $108,000,000 for the fiscal year 1978, and not to exceed $114,000,000 for the fiscal year 1979” for “and not to exceed $108,000,000 for the fiscal year 1978”.

1977—Subsec. (c). Pub. L. 95–128 authorized appropriation of $108,000,000 for fiscal year 1978.

1976—Subsec. (c). Pub. L. 94–375 added subsec. (c).

Amendment by Pub. L. 108–199 considered to have taken effect on Dec. 31, 2003, see section 136(b) of div. H of Pub. L. 108–199, set out as a note under section 4016 of this title.

Amendment by Pub. L. 108–171 effective Dec. 31, 2003, see section 2(b) of Pub. L. 108–171, set out as a note under section 4016 of this title.

Amendment by Pub. L. 108–3 effective Dec. 31, 2002, see section 2(b) of Pub. L. 108–3, set out as a note under section 4016 of this title.

Amendment by Pub. L. 97–35 effective Oct. 1, 1981, see section 371 of Pub. L. 97–35, set out as an Effective Date note under section 3701 of Title 12, Banks and Banking.

Section effective 120 days following Aug. 1, 1968, or such later date prescribed by the Secretary but in no event more than 180 days following Aug. 1, 1968, see section 1377 of Pub. L. 90–448, set out as a note under section 4001 of this title.