CFR›Title 5›Chapter VI›5 CFR Part 1690 Citation5 CFR Part 1690ContainsSubparts Subpart A–Subpart BCorpusDaily eCFRDisplayed edition2026-10-01Last updated2026-10-01 PART 1690—THRIFT SAVINGS PLAN Subparts Subpart A Subpart A—General Subpart B Subpart B—Miscellaneous Authority5 U.S.C. 8474.Source68 FR 35519, June 13, 2003, unless otherwise noted.