[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: 46CFR15.415] [Page 254] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY PART 15_MANNING REQUIREMENTS--Table of Contents Subpart C_Manning Requirements; All Vessels Sec. 15.415 Transportation Worker Identification Credential. By September 25, 2008 a person may not employ or engage an individual, and an individual may not serve in a position in which an individual is required by law or regulation to hold an active License, Merchant Mariner Document (MMD), Certificate of Registry (COR), or STCW endorsement, unless the individual holds a valid Transportation Worker Identification Credential (TWIC). All mariners holding an active License, MMD, COR or STCW endorsement issued by the Coast Guard must hold a valid TWIC issued by the Transportation Security Administration under 49 CFR part 1572. [CG-2006-24196, 72 FR 3588, Jan. 25, 2007]