[Code of Federal Regulations] [Title 46, Volume 1] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR13.205] [Page 241] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY PART 13_CERTIFICATION OF TANKERMEN--Table of Contents Subpart B_Requirements for ``Tankerman-PIC'' Endorsement Sec. 13.205 Proof of service for ``Tankerman-PIC'' endorsement. Service must be proved by 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 Sec. 13.127(a).