[Code of Federal Regulations] [Title 39, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 39CFR228.3] [Page 51] TITLE 39--POSTAL SERVICE CHAPTER I--UNITED STATES POSTAL SERVICE PART 228--SERVICE CENTERS--Table of Contents Sec. 228.3 Delivery, Distribution, and Transportation Department-- Transportation Management Service Centers (TMSC). Transportation Management Service Centers are responsible for: (a) Procuring mail transportation services between mail processing centers. (b) Controlling the inventory of empty mail equipment. (c) Coordinating the movement of mail between mail processing centers, bulk mail centers (BMCs), management sectional centers (MSCs), and field divisions. [54 FR 29710, July 14, 1989]