[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: 46CFR31.01-20] [Page 406] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY PART 31_INSPECTION AND CERTIFICATION--Table of Contents Subpart 31.01_General Sec. 31.01-20 Application for inspection of a new tank vessel or conversion of a vessel to a tank vessel--TB/ALL. Prior to the commencement of the construction of any new tank vessel, or prior to the commencement of the conversion of any vessel to a tank vessel, application for the approval of contract plans and specifications and for a certificate of inspection shall be made in writing to the Coast Guard and no such construction or conversion shall be proceeded with until such approval is granted. (See Sec. 31.10-1.)