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5 CFR § 839.411Chapter I

What can I elect if I was put in FERS by mistake?

Primary source

Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.

Full Text

If you were placed in FERS due to a qualifying retirement coverage error and you should have been in CSRS, you may elect FERS or CSRS. If you were placed in FERS due to a qualifying retirement coverage error and you should have been in CSRS Offset, you may elect FERS or CSRS Offset. If you were placed in FERS due to a qualifying retirement coverage error and you should have been in Social Security-Only, you may elect FERS or Social Security-Only. This is summarized in the following chart:

You are in: And you belong in: You may elect: FERS CSRS FERS or CSRS. FERS CSRS Offset FERS or CSRS Offset. FERS Social Security-Only FERS or Social Security-Only.

eCFR data current as of: November 5, 2026

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.