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Regulations last checked for updates: Aug 16, 2026
Title 46 - Shipping last revised: Jul 30, 2026
All Titles
Title 46
Chapter I
Part 4 - PART 4—MARINE CASUALTIES AND INVESTIGATIONS
Subpart 4.01 [§ 4.01-1 - § 4.01-3] - Subpart 4.01—Authority and Scope of Regulations
Subpart 4.03 [§ 4.03-0 - § 4.03-75] - Subpart 4.03—Definitions
Subpart 4.04 [§ 4.04-1 - § 4.04-5] - Subpart 4.04—Notice of Potential Casualty
Subpart 4.05 [§ 4.05-1 - § 4.05-40] - Subpart 4.05—Notice of Marine Casualty and Voyage Records
Subpart 4.06 [§ 4.06-1 - § 4.06-70] - Subpart 4.06—Mandatory Chemical Testing Following Serious Marine Incidents Involving Vessels in Commercial Service, Floating OCS Facilities, or MODUs in Commercial Service
Subpart 4.07 [§ 4.07-1 - § 4.07-55] - Subpart 4.07—Investigations
Subpart 4.09 [§ 4.09-1 - § 4.09-35] - Subpart 4.09—Marine Board of Investigation
Subpart 4.11 [§ 4.11-1 - § 4.11-10] - Subpart 4.11—Witnesses and Witness Fees
Subpart 4.12 [§ 4.12-1 - § 4.12-1] - Subpart 4.12—Testimony by Interrogatories and Depositions
Subpart 4.13 [§ 4.13-1 - § 4.13-1] - Subpart 4.13—Availability of Records
Subpart 4.19 [§ 4.19-1 - § 4.19-5] - Subpart 4.19—Construction of Regulations and Rules of Evidence
Subpart 4.21 [§ 4.21-1 - § 4.21-1] - Subpart 4.21—Computation of Time
Subpart 4.23 [§ 4.23-1 - § 4.23-1] - Subpart 4.23—Evidence of Criminal Liability
Subpart 4.40 [§ 4.40-1 - § 4.40-35] - Subpart 4.40—Coast Guard—National Transportation Safety Board Marine Casualty Investigations
authority:
43 U.S.C. 1333
;
46 U.S.C. 2103
,
2303a
,
2306
,
6101
,
6301
,
6305
,
56311
,
and
; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.4. Subpart 4.40 issued under
49 U.S.C. 1903
(a)(1)(E)
source:
CGD 74-119, 39 FR 33317, Sept. 17, 1974, unless otherwise noted.
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