CFR›Title 5›Chapter VI›Part 1690 ContainsSubparts A–BCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 1690—THRIFT SAVINGS PLAN Subparts A Subpart A—General Section 1690.1 B Subpart B—Miscellaneous Sections 1690.11–1690.15 Authority5 U.S.C. 8474.Source68 FR 35519, June 13, 2003, unless otherwise noted. Previous 1655 Part 1655—Loan Program