46 C.F.R. § 4.03-55 Law enforcement officer.
Title 46 - Shipping
Law enforcement officer means a Coast Guard commissioned, warrant or petty officer; or any other law enforcement officer authorized to obtain a chemical test under Federal, State, or local law. [CGD 84–099, 52 FR 47534, Dec. 14, 1987]
Title 46: Shipping
PART 4—MARINE CASUALTIES AND INVESTIGATIONS
Subpart 4.03—Definitions
§ 4.03-55 Law enforcement officer.