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46 CFR § 550.503 - Subpoenas.

---
identifier: "/us/cfr/t46/s550.503"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 550.503 - Subpoenas."
title_number: 46
title_name: "Shipping"
section_number: "550.503"
section_name: "Subpoenas."
chapter_name: "FEDERAL MARITIME COMMISSION"
subchapter_number: "C"
subchapter_name: "REGULATIONS AND ACTIONS TO ADDRESS RESTRICTIVE FOREIGN MARITIME PRACTICES"
part_number: "550"
part_name: "REGULATIONS TO ADJUST OR MEET CONDITIONS UNFAVORABLE TO SHIPPING IN THE FOREIGN TRADE OF THE UNITED STATES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "5 U.S.C. 553; 46 U.S.C. 301-307; sec. 19 (a)(2), (e), (f), (g), (h), (i), (j), (k) and (l) of the Merchant Marine Act, 1920, 46 U.S.C. 42101 and 42104-42109; and sec. 10002 of the Foreign Shipping Practices Act of 1988, 46 U.S.C. 42301-42307."
regulatory_source: "58 FR 64910, Dec. 10, 1993, unless otherwise noted. Redesignated at 64 FR 8008, Feb. 18, 1999."
cfr_part: "550"
---

# 550.503 Subpoenas.

In proceedings under this part, the Commission may by subpoena compel the attendance of witnesses and the production of books, papers, documents, and other evidence.