---
kind: "section"
citation: "43 U.S.C. § 1600d"
title: "43"
title_heading: "Public Lands"
number: "1600d"
heading: "Limitations on Federal expenditures affecting Floodway"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/43/1600d"
units:
  - "Chapter 32B — Colorado River Floodway"
---

# §1600d. Limitations on Federal expenditures affecting Floodway

- (a) Except as provided in [section 1600e of this title](/usc/43/1600e.md), no new expenditures or new [financial assistance](/usc/43/1600a.md?p=b) may be made available under authority of any Federal law for any purpose within the [Floodway](/usc/43/1600a.md?p=e) established under [section 1600c of this title](/usc/43/1600c.md).
- (b) An expenditure or [financial assistance](/usc/43/1600a.md?p=b) made available under authority of Federal law shall, for purposes of this chapter, be a new expenditure or new [financial assistance](/usc/43/1600a.md?p=b) if—
  - (1) in any case with respect to which specific appropriations are required, no money for construction or purchase purposes was appropriated before October 8, 1986; or
  - (2) no legally binding commitment for the expenditure or [financial assistance](/usc/43/1600a.md?p=b) was made before October 8, 1986.

## Source credit

(Pub. L. 99–450, § 6, Oct. 8, 1986, 100 Stat. 1132.)