[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: 46CFR131.940] [Page 465] TITLE 46_SHIPPING (This book contains parts 90 to 139) CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 131_OPERATIONS--Table of Contents Subpart I_Miscellaneous Sec. 131.940 Marine sanitation device. Each vessel with installed toilet facilities must have a marine sanitation device in compliance with 33 CFR part 159.