46 C.F.R. § 131.520 Hatches and other openings.
Title 46 - Shipping
Before any vessel leaves protected waters, the master shall ensure that the vessel's exposed cargo hatches and other openings in the hull are closed; made properly watertight by the use of tarpaulins, gaskets, or similar devices; and properly secured for sea.
Title 46: Shipping
PART 131—OPERATIONS
Subpart E—Tests, Drills, and Inspections
§ 131.520 Hatches and other openings.
