Proof of service must be provided in a letter on company letterhead from the owner, operator, or master of the vessel on which the applicant obtained the service. The letter must contain the information described in §13.127(a).
CFR 46-13.205-2013 history
2013CFR 46-13.205-2013 Shipping. Part13:Certification of tankermen. Section13.205:Proof of service for tankerman-PIC endorsement.