{"data":{"id":"us/5-cfr-1620.21","jurisdiction":"us","citation":"5 CFR 1620.21","heading":"Contributions.","body":"(a) An individual covered under this subpart can make contributions to the TSP from basic pay in the amount described at 5 CFR 1600.22(a)(1). Unless stated otherwise in this subpart, he or she is covered by the same rules that apply to a CSRS participant in the TSP.\n(b) The following amounts are not basic pay and no TSP contributions can be made from them:\n(1) An annuity or salary received by a justice or judge of the United States (as defined in 28 U.S.C. 451) who is retired under 28 U.S.C. 371(a) or (b), or 372(a);\n(2) Amounts received by a bankruptcy judge or a United States magistrate judge under a judges' annuity described at 28 U.S.C. 377;\n(3) An annuity or salary received by a judge of the United States Court of Federal Claims under 28 U.S.C. 178; and\n(4) Retired pay received by a judge of the United States Court of Veterans Appeals under 38 U.S.C. 7296.","path":["Title 5—Administrative Personnel","CHAPTER VI—FEDERAL RETIREMENT THRIFT INVESTMENT BOARD","PART 1620—EXPANDED AND CONTINUING ELIGIBILITY","Subpart C—Justices and Judges"],"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":"390bbb4d9d417ce5e51e43412950834979e9d0f1d717fe6a070c2f571df457e4","source_id":"us-cfr","stale":true,"prev":"us/5-cfr-1620.20","next":"us/5-cfr-1620.22"},"notice":"GroundRules: Original legal text. Not legal advice."}