[Code of Federal Regulations] [Title 49, Volume 2] [Revised as of October 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR180.503] [Page 1111] TITLE 49--TRANSPORTATION CHAPTER I--RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 180_CONTINUING QUALIFICATION AND MAINTENANCE OF PACKAGINGS--Table of Contents Subpart F_Qualification and Maintenance of Tank Cars Sec. 180.503 Definitions. The definitions contained in Sec. Sec. 171.8 and 179.2 of this subchapter apply.