46 C.F.R. § 109.334 Working over water.
Title 46 - Shipping
The master or person in charge shall insure that each person working over the water is wearing a life preserver or a buoyant work vest.
Title 46: Shipping
PART 109—OPERATIONS
Subpart C—Operation and Stowage of Safety Equipment
§ 109.334 Working over water.

