46 C.F.R. § 154.1801 Certificates, letters, and endorsements: U.S. flag vessels.
Title 46 - Shipping
No person may operate a U.S. flag vessel unless the vessel has a Certificate of Inspection, issued under Subchapter D of this chapter, which is endorsed with the name of the cargo that it is allowed to carry.
Title 46: Shipping
PART 154—SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES
Subpart E—Operations
§ 154.1801 Certificates, letters, and endorsements: U.S. flag vessels.

