CFR›Title 5›Chapter VI›Part 1640 ContainsSections 1640.1–1640.6CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 PART 1640—PERIODIC PARTICIPANT STATEMENTS Sections 1640.1 § 1640.1 Definitions. 1640.2 § 1640.2 Information regarding account. 1640.3 § 1640.3 Statement of individual account. 1640.4 § 1640.4 Account transactions. 1640.5 § 1640.5 TSP core fund information. 1640.6 § 1640.6 Methods of providing information. Authority5 U.S.C. 8439(c)(1) and (c)(2), 5 U.S.C. 8474(b)(5) and (c)(1).Source68 FR 35501, June 13, 2003, unless otherwise noted. Previous 1639 Part 1639—Claims Collection Next 1645 Part 1645—Calculation of Share Prices