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5 CFR § 1620.13Chapter VI

Retroactive contributions

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

(a) An employing authority can make retroactive employer contributions on behalf of FERS employees described in this subpart, but cannot duplicate employer contributions already made to the TSP.

(b) An employing authority making retroactive employing agency contributions on behalf of a FERS employee described in § 1620.12 must continue those contributions (but only to the extent they relate to service with the employing authority) if the employee returns to his or her agency of record or is transferred to another Federal agency without a break in service.

(c) CSRS and FERS employees covered by this subpart can make retroactive employee contributions relating to periods of service described in § 1620.12, unless they already have been given the opportunity to make contributions for these periods of service.

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.