5 C.F.R. § 847.432
Effect of a refund of FERS deductions
OPM will inform the NAFI retirement system of the amount of service performed under FERS, without regard to whether a refund of contributions for such period has been paid under FERS.
OPM will inform the NAFI retirement system of the amount of service performed under FERS, without regard to whether a refund of contributions for such period has been paid under FERS.