[Code of Federal Regulations] [Title 20, Volume 1] [Revised as of April 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 20CFR261.3] [Page 524] TITLE 20--EMPLOYEES' BENEFITS CHAPTER II--RAILROAD RETIREMENT BOARD PART 261_ADMINISTRATIVE FINALITY--Table of Contents Sec. 261.3 Change of legal interpretation or administrative ruling. A change of legal interpretation or administrative ruling upon which a decision is based does not render a decision erroneous and does not provide a basis for reopening.