[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: 5CFR1690.1] [Page 296] TITLE 5--ADMINISTRATIVE PERSONNEL CHAPTER VI--FEDERAL RETIREMENT THRIFT INVESTMENT BOARD PART 1690--MISCELLANEOUS REGULATIONS--Table of Contents Sec. 1690.1 Plan year. The Thrift Savings Plan's plan year will be established on a calendar-year basis for all purposes, except where another applicable provision of law requires that a fiscal year or other basis be used. As used in this section, the term ``calendar-year basis'' means a twelve month period beginning on January 1 and ending on December 31 of the same year. [52 FR 43315, Nov. 12, 1987]