46 C.F.R. § 35.05-20 Physical condition of crew—TB/ALL.
Title 46 - Shipping
No person shall be engaged as a member of the crew on a tank vessel if he is known by the employer to be physically or mentally incapable of performing the duties assigned him.
Title 46: Shipping
PART 35—OPERATIONS
Subpart 35.05—Officers and Crews
§ 35.05-20 Physical condition of crew—TB/ALL.