401.22—Preclearance of vessels.
(a)
No vessel, other than a pleasure craft 300 gross registered tonnage or less, shall transit until an application for preclearance has been made, pursuant to § 401.24, to the Manager by the vessel's representative and the application has been approved by the Corporation or the Manager pursuant to § 401.25.
(3)
A material alteration in the physical characteristics of the vessel, until another application for preclearance has been made and approved.
(c)
Unless otherwise permitted by an officer a non-commercial vessel of 300 gross registered tonnage or less cannot apply for preclearance status and must transit as a pleasure craft.