How Do I Add/Change My Vessel That Is Recorded With U.S. Customs?
Your vessel is not being accepted by Customs because likely they do not have the vessel on file. So you need to send the details for the vessel to customs. Send an e-mail to firstname.lastname@example.org and request that they add the vessel to the system.
Give them the following information:
Lloyd's Code (IMO Number):
Former Name (If Known):`
Vessel Flag: (Call Sign):