{"data":{"id":"us/5-cfr-1690.11","jurisdiction":"us","citation":"5 CFR 1690.11","heading":"Plan year.","body":"The Thrift Savings Plan's plan year is 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.","path":["Title 5—Administrative Personnel","CHAPTER VI—FEDERAL RETIREMENT THRIFT INVESTMENT BOARD","PART 1690—THRIFT SAVINGS PLAN","Subpart B—Miscellaneous"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-5.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:23:53Z","sha256":"25551328b5a34afe4ead5910743743413e35b9db61ef21045d64f7d1cd41db6a","source_id":"us-cfr","stale":true,"prev":"us/5-cfr-1690.1","next":"us/5-cfr-1690.12"},"notice":"GroundRules: Original legal text. Not legal advice."}