46 CFR § 4.09-5 - Powers of Marine Board of Investigation.

---
identifier: "/us/cfr/t46/s4.09-5"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 4.09-5 - Powers of Marine Board of Investigation."
title_number: 46
title_name: "Shipping"
section_number: "4.09-5"
section_name: "Powers of Marine Board of Investigation."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "A"
subchapter_name: "PROCEDURES APPLICABLE TO THE PUBLIC"
part_number: "4"
part_name: "MARINE CASUALTIES AND INVESTIGATIONS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "14 U.S.C. 102; 43 U.S.C. 1333; 46 U.S.C. 2103, 2303A, 2306, 6101, 6301, 6305, 70034; 50 U.S.C. 198; DHS Delegation 00170.1, Revision No. 01.4. Subpart 4.40 issued under 49 U.S.C. 1131(a)(1)(E)."
regulatory_source: "CGD 74-119, 39 FR 33317, Sept. 17, 1974, unless otherwise noted."
cfr_part: "4"
---


# 4.09-5 Powers of Marine Board of Investigation.

Any Marine Board of Investigation so designated shall have the power to administer oaths, summon witnesses, require persons having knowledge of the subject matter of the investigation to answer questionnaires, and to require the production of relevant books, papers, documents or any other evidence. Attendance of witnesses or the production of books, papers, documents or any other evidence shall be compelled by a similar process as in the United States District Court. The chairman shall administer all necessary oaths to any witnesses summoned before said Board.