33 C.F.R. § 173.25 Location of certificate of number.
Title 33 - Navigation and Navigable Waters
No person may use a vessel to which this part applies unless the certificate or lease or rental agreement required by §173.21 is carried on board in such a manner that it can be handed to a person authorized under §173.23 to inspect it.
Title 33: Navigation and Navigable Waters
PART 173—VESSEL NUMBERING AND CASUALTY AND ACCIDENT REPORTING
Subpart B—Numbering
§ 173.25 Location of certificate of number.

