---
kind: "section"
citation: "33 U.S.C. § 621"
title: "33"
title_heading: "Navigation and Navigable Waters"
number: "621"
heading: "By what methods river and harbor work may be authorized to be prosecuted"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/33/621"
units:
  - "Chapter 12 — River and Harbor Improvements Generally"
  - "Subchapter V — Prosecution of Work Generally"
---

# §621. By what methods river and harbor work may be authorized to be prosecuted


Any public work on canals, rivers, and harbors adopted by Congress may be prosecuted by direct appropriations, by continuing contracts, or by both direct appropriations and continuing contracts.


## Source credit

(Sept. 22, 1922, ch. 427, § 10, 42 Stat. 1043.)

## Notes

### Editorial Notes

### Codification

Section is from the Rivers and Harbors Appropriation Act of 1922.