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Note: If you are splitting your contributions between both Traditional and Roth TSP, the totals cannot exceed the maximum IRS deferral limit. If you do split contributions, you must make two separate transactions in HR Links — one for the Traditional TSP and one for the Roth TSP.
If you are 50 and older, any excess over the maximum elective contributions will spillover into catch-up contributions. A separate election is not required. Please review the TSP contribution chart to assist you in determining your desired Traditional and/or Roth election amount.
Select the Benefits Summary tile on the Employee Self Service homepage.
The Benefits Summary page will appear. Scroll down to the TSP section. Select the TSP Traditional or the TSP Roth option.
The Change Current Savings Plan Contributions: TSP Traditional (or TSP Roth) page will appear. If you want to add a flat rate savings contribution, select the Flat Rate button under the New Savings Contributions heading.
Enter the dollar amount you would like to contribute each pay period in the Flat Amount (Dollars) field.
If you want to add a percentage savings contribution, select the Percentage button under the New Savings Contributions heading. Use the slider by Percentage Contributed to choose the percentage you want to contribute each pay period.
Once you have made your selection, select the Save button.
A new screen will appear, with a pop-up message stating, “Your file is ready.” Select the View Attachment button to view your selection on a standard form in a separate tab.
A message stating, The Save was successful will appear. Select the OK button.
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Rates for Alaska, Hawaii, and U.S. territories and possessions are set by the Department of Defense.
Rates for foreign countries are set by the Department of State.
Rates are available between 10/1/2023 and 09/30/2026.
The End Date of your trip can not occur before the Start Date.
Traveler reimbursement is based on the location of the work activities and not the accommodations, unless lodging is not available at the work activity, then the agency may authorize the rate where lodging is obtained.
Unless otherwise specified, the per diem locality is defined as "all locations within, or entirely surrounded by, the corporate limits of the key city, including independent entities located within those boundaries."
Per diem localities with county definitions shall include"all locations within, or entirely surrounded by, the corporate limits of the key city as well as the boundaries of the listed counties, including independent entities located within the boundaries of the key city and the listed counties (unless otherwise listed separately)."
When a military installation or Government - related facility(whether or not specifically named) is located partially within more than one city or county boundary, the applicable per diem rate for the entire installation or facility is the higher of the rates which apply to the cities and / or counties, even though part(s) of such activities may be located outside the defined per diem locality.
U.S. General Services Administration