46 C.F.R. § 131.720 Use.
Title 46 - Shipping
(a) An approved buoyant work vest is an item of safety apparel and may be carried aboard for wear by a crew member when working near or over the water. (b) The vest may not count towards the vessel's complement of lifejackets. (c) The vest may not be worn instead of a lifejacket during a drill.
Title 46: Shipping
PART 131—OPERATIONS
Subpart G—Work Vests
§ 131.720 Use.
