46 C.F.R. § 116.710 Overnight accommodations.
Title 46 - Shipping
Overnight accommodations must be provided for all crew members if the vessel is operated more than 12 hours in a 24 hour period, unless the crew is put ashore and the vessel is provided with a new crew.
Title 46: Shipping
PART 116—CONSTRUCTION AND ARRANGEMENT
Subpart G—Crew Spaces
§ 116.710 Overnight accommodations.