5 CFR § 841.103 - Definitions.
In this subpart—
CSRS means the Civil Service Retirement System as described in subchapter III of chapter 83 of title 5, United States Code.
FERS means the Federal Employees Retirement System as described in chapter 84 of title 5, United States Code.
FERS FRAE, or a Further Revised Annuity Employee as identified under 5 U.S.C. 8422, is an employee or Member covered under FERS hired on or after January 1, 2014, unless the employee or Member—
(1) Was covered under FERS on December 31, 2012; or
(2) Performed civilian service creditable or potentially creditable under FERS on December 31, 2012;
(3) Or, if not covered under FERS on December 31, 2012, performed at least 5 years of civilian service creditable or potentially creditable under FERS prior to December 31, 2012; or
(4) Was covered under FERS RAE on December 31, 2013; or
(5) Was performing civilian service creditable or potentially creditable under FERS RAE on December 31, 2013; or
(6) If not covered under FERS RAE on December 31, 2013, performed at least 5 years of civilian service creditable or potentially creditable under FERS prior to December 31, 2013.
FERS RAE, or a Revised Annuity Employee as identified under 5 U.S.C. 8422, is an employee or Member covered under FERS hired on or after January 1, 2013, and before January 1, 2014, unless the employee or Member—
(1) Was covered under FERS on December 31, 2012; or
(2) Performed civilian service creditable or potentially creditable under FERS on December 31, 2012; or
(3) If not covered under FERS on December 31, 2012, performed at least 5 years of civilian service creditable or potentially creditable under FERS prior to December 31, 2012.