Federal Employees' Retirement System (FERS)

The Federal Employees' Retirement System (FERS) is a three-tiered system that includes:

• Social Security Exit Disclaimer: You Are Leaving www.ihs.gov 
• Basic Benefit Exit Disclaimer: You Are Leaving www.ihs.gov 
• Thrift Savings Plan (TSP) Exit Disclaimer: You Are Leaving www.ihs.gov 

You are under FERS if:

• You were first hired on or after January 1, 1984; or,
• You were rehired after a break in service of more than one year but with less than five years of creditable CSRS civilian service; or,
• You elected to transfer to FERS; or,
• You were rehired in a covered position after a separation from a FERS position