[Code of Federal Regulations] [Title 46, Volume 1] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR5.15] [Page 58] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY PART 5_MARINE INVESTIGATION REGULATIONS_PERSONNEL ACTION--Table of Subpart B_Definitions Sec. 5.15 Investigating Officer. An investigating officer is a Coast Guard official designated by the Commandant, a District Commander, or the Officer in Charge, Marine Inspection, for the purpose of conducting investigations of marine casualties or matters pertaining to the conduct of persons applying for or holding merchant mariner's documents, licenses, certificates or credentials issued by the Coast Guard. An Officer in Charge, Marine Inspection is an investigating officer without further designation. [USCG-2006-25535, 71 FR 48482, Aug. 21, 2006]