33 C.F.R. § 95.050 Responsibility for compliance.
Title 33 - Navigation and Navigable Waters
(a) The marine employer shall exercise due diligence to assure compliance with the applicable provisions of this part. (b) If the marine employer has reason to believe that an individual is intoxicated, the marine employer shall not allow that individual to stand watch or perform other duties.
Title 33: Navigation and Navigable Waters
PART 95—OPERATING A VESSEL WHILE UNDER THE INFLUENCE OF ALCOHOL OR A DANGEROUS DRUG
§ 95.050 Responsibility for compliance.