33 USC § 521 - Regulations and orders

---
identifier: "/us/usc/t33/s521"
source: "usc"
legal_status: "official_prima_facie"
title: "33 USC § 521 - Regulations and orders"
title_number: 33
title_name: "NAVIGATION AND NAVIGABLE WATERS"
section_number: "521"
section_name: "Regulations and orders"
chapter_number: 11
chapter_name: "BRIDGES OVER NAVIGABLE WATERS"
subchapter_number: "II"
subchapter_name: "ALTERATION OF BRIDGES"
positive_law: false
currency: "119-84"
last_updated: "2026-04-17"
format_version: "1.1.0"
generator: "[email protected]"
source_credit: "(June 21, 1940, ch. 409, § 11, 54 Stat. 501.)"
---


# § 521. Regulations and orders

The Secretary is authorized to prescribe such rules and regulations, and to make and issue such orders, as may be necessary or appropriate for carrying out the provisions of this subchapter.

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**Source Credit**: (June 21, 1940, ch. 409, § 11, 54 Stat. 501.)