5 CFR § 842.310
Service not creditable because of an election under part 847 of this chapter
November 4, 2020
Any FERS service which becomes creditable under a retirement system established for nonappropriated fund employees due to an election made under part 847 of this chapter is not creditable for any purpose under FERS.
[61 FR 41721, Aug. 9, 1996]