The TSP provides agency and service representatives with historical information on contribution rules, limits, and eligibility determination. This page also provides agency representatives with sample language notifications they may use to inform newly hired or rehired FERS and CSRS employees of the benefits of participation in the TSP.

Chart: Elective Deferral, Section 415(c), and Catch-Up Contribution Limits for 1987–Present
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Chart: TSP Contribution Percentage Limits for 1987–Present
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Chart: Eligibility Dates for TSP Employee and Agency Contributions
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Chart: TSP Open Seasons, Eligibility to Elect to Contribute
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Sample Letter: FERS New Hire/Rehire (8/2010)
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Sample Letter: CSRS Rehire (8/2010)
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