[Code of Federal Regulations] [Title 5, Volume 3] [Revised as of January 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 5CFR1620.31] [Page 210] TITLE 5--ADMINISTRATIVE PERSONNEL CHAPTER VI--FEDERAL RETIREMENT THRIFT INVESTMENT BOARD PART 1620--EXPANDED AND CONTINUING ELIGIBILITY--Table of Contents Subpart D--Nonappropriated Fund Employees Sec. 1620.31 Definition. As used in this subpart, move means moving from a position covered by CSRS or FERS to a NAF instrumentality of the DOD or Coast Guard, or vice versa, without a break in service of more than one year.