CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER A—PROCEDURES APPLICABLE TO THE PUBLIC (parts 1 to 9) > PART 4—MARINE CASUALTIES AND INVESTIGATIONS > SUBPART 4.40—Coast Guard—National Transportation Safety Board Marine Casualty Investigations (§4.40-1 to §4.40-35) > 4.40-20—Cause or probable cause determinations from Board investigation.