Who is eligible to participate in the TSP?
Employees who are covered by FERS and CSRS, as well as members of the uniformed services (and certain other employees), can participate in the TSP. FERS employees are generally those hired on or after January 1, 1984. CSRS employees are generally those hired before that date who did not convert to FERS. If you are a FERS or CSRS employee, you can participate in the TSP regardless of whether you work full time or part time. If you do not know your retirement coverage, contact your agency personnel office. The TSP does not have the authority to make or correct retirement coverage determinations. Note: If you are a member of the uniformed services, in either active duty or Ready Reserve status, refer to the TSP Features in the uniformed services section of this Web site or read the Summary of the Thrift Savings Plan for a comprehensive discussion of how the TSP works for you.
Employees who are covered by FERS and CSRS, as well as members of the uniformed services (and certain other employees), can participate in the TSP. FERS employees are generally those hired on or after January 1, 1984. CSRS employees are generally those hired before that date who did not convert to FERS. If you are a FERS or CSRS employee, you can participate in the TSP regardless of whether you work full time or part time. If you do not know your retirement coverage, contact your agency personnel office. The TSP does not have the authority to make or correct retirement coverage determinations. Note: If you are a member of the uniformed services, in either active duty or Ready Reserve status, refer to the TSP Features in the uniformed services section of this Web site or read the Summary of the Thrift Savings Plan for a comprehensive discussion of how the TSP works for you. Employees who participate in the TSP as both Federal employees and members of the Ready Reserve should pay particu
