To amend title 5, United States Code, to make the percentage limitations on individual contributions to the Thrift Savings Plan more consistent with the dollar amount limitation on elective deferrals, and for other purposes.

Amends Federal civil service law with respect to the Civil Service Retirement System, the Federal Employees' Retirement System (FERS), and the Thrift Savings Plan (TSP) Program to: (1) repeal the limitations on individual TSP contributions, including those from judges and other specified personnel of the Federal judicial branch; (2) allow an employee or member under FERS to contribute to the Thrift Savings Fund an eligible rollover distribution from a qualified trust; and (3) eliminate certain waiting periods for purposes of making contributions to the Thrift Savings Fund.