46 C.F.R. § 108.699 Substitution of life preservers.
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A work vest may not be substituted for a required life preserver— (a) For the life saving equipment requirements of this part; or (b) For use during drills and emergencies.
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PART 108—DESIGN AND EQUIPMENT
Subpart H—Miscellaneous Equipment
§ 108.699 Substitution of life preservers.