46 C.F.R. § 199.520 Lifeboat requirements.
Title 46 - Shipping
When the vessel's lifeboats are used to carry persons to and from the vessel in a harbor or at an anchorage, the survival craft remaining on the vessel must have an aggregate capacity sufficient to accommodate all persons remaining on board.
Title 46: Shipping
PART 199—LIFESAVING SYSTEMS FOR CERTAIN INSPECTED VESSELS
Subpart E—Additional Requirements for Vessels Not Subject to SOLAS
§ 199.520 Lifeboat requirements.

