[Code of Federal Regulations] [Title 46, Volume 4] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR109.334] [Page 171] TITLE 46_SHIPPING (This book contains parts 90 to 139) CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 109_OPERATIONS--Table of Contents Subpart C_Operation and Stowage of Safety Equipment Sec. 109.334 Working over water. The master or person in charge shall insure that each person working over the water is wearing a life preserver or a buoyant work vest.