---
kind: "section"
citation: "33 U.S.C. § 4009"
title: "33"
title_heading: "Navigation and Navigable Waters"
number: "4009"
heading: "Authorization of appropriations"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/33/4009"
units:
  - "Chapter 53 — Harmful Algal Bloom and Hypoxia Research and Control"
---

# §4009. Authorization of appropriations

- (a) **In general—** There is authorized to be appropriated to the [Under Secretary](/usc/33/4008.md?p=8) to carry out sections [4002](/usc/33/4002.md) and [4003](/usc/33/4003.md) of this title $20,500,000 for each of fiscal years 2014 through 2018, and $20,500,000 for each of fiscal years 2019 through 2023.
- (b) **Extramural research activities—** The [Under Secretary](/usc/33/4008.md?p=8) shall ensure that a substantial portion of funds appropriated pursuant to [subsection (a)](#a) that are used for research purposes are allocated to extramural research activities. For each fiscal year, the [Under Secretary](/usc/33/4008.md?p=8) shall publish a list of all grant recipients and the amounts for all of the funds allocated for research purposes, specifying those allocated for extramural research activities.

## Source credit

(Pub. L. 105–383, title VI, § 610, formerly § 609, as added Pub. L. 113–124, § 11, June 30, 2014, 128 Stat. 1386; amended Pub. L. 115–423, § 9(h), Jan. 7, 2019, 132 Stat. 5464; renumbered § 610, Pub. L. 117–144, § 2(a)(1), June 16, 2022, 136 Stat. 1266.)

## Notes

### Editorial Notes

### Amendments

2019—Subsec. (a). Pub. L. 115–423 inserted “, and $20,500,000 for each of fiscal years 2019 through 2023” before period at end.