46 C.F.R. § 144.135
Verification of compliance with design standards
Verification of compliance with the construction and arrangement design standards of this part must be performed according to the following table:
| If the vessel is— | Then the applicable requirements must be met— |
|---|---|
| (a) A new vessel, | Before the COI is issued. |
| (b) A vessel to undergo a major conversion or alteration to the hull, machinery, or equipment that may affect the vessel's safety, | Before the major conversion or alteration is performed. |
| (c) A vessel on which a new installation that is not a “replacement in kind”, | Before the new installation is performed. |