[Code of Federal Regulations] [Title 33, Volume 2] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 33CFR150.217] [Page 222] TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 150--OPERATIONS--Table of Contents Subpart B--Personnel Sec. 150.217 Limitation on service. No person may perform in more than one of the following capacities at any one time: (a) Port Superintendent. (b) Cargo Transfer Supervisor. (c) Cargo Transfer Assistant. (d) Vessel Traffic Supervisor. (e) Mooring Master. (f) Assistant Mooring Master.