Home › CFR › Title 5 › Part 16405 CFR Part 1640 — Periodic Participant Statements§ 1640.1— Definitions.§ 1640.2— Information regarding account.§ 1640.3— Statement of individual account.§ 1640.4— Account transactions.§ 1640.5— TSP core fund information.§ 1640.6— Methods of providing information.