The Congressional Budget and Impoundment Control Act of 1974, referred to in concluding provisions, is Pub. L. 93–344, July 12, 1974, 88 Stat. 297. For complete classification of this Act to the Code, see Short Title note set out under section 621 of Title 2, The Congress, and Tables.

The Balanced Budget and Emergency Deficit Control Act of 1985, referred to in concluding provisions, is title II of Pub. L. 99–177, Dec. 12, 1985, 99 Stat. 1038, which enacted chapter 20 (§ 900 et seq.) and sections 654 to 656 of Title 2, The Congress, amended sections 602, 622, 631 to 642, and 651 to 653 of Title 2, sections 1104 to 1106, and 1109 of Title 31, Money and Finance, and section 911 of Title 42, The Public Health and Welfare, repealed section 661 of Title 2, enacted provisions set out as notes under section 900 of Title 2 and section 911 of Title 42, and amended provisions set out as a note under section 621 of Title 2. For complete classification of this Act to the Code, see Short Title note set out under section 900 of Title 2 and Tables.

Section was enacted as part of the Water Resources Development Act of 2020, and not as part of the Water Resources Development Act of 1986 which comprises this chapter.

2020—Pub. L. 116–260 amended section generally. Prior to amendment, text read as follows: “Any discretionary appropriation for the Corps of Engineers derived from the Harbor Maintenance Trust Fund (not to exceed the total amount deposited in the Harbor Maintenance Trust Fund in the prior fiscal year) shall be subtracted from the estimate of discretionary budget authority and outlays for any estimate of an appropriations Act under the Congressional Budget and Impoundment Control Act of 1974 or the Balanced Budget and Emergency Deficit Control Act of 1985: Provided, That the modifications described in this section shall not take effect until the earlier of January 1, 2021 or the date of enactment of legislation authorizing the development of water resources and shall remain in effect thereafter.”