5 CFR § 831.809
Reemployment
November 4, 2020
An employee who has been mandatorily separated under 5 U.S.C. 8335(b) is not barred from reemployment in any position except a primary position after age 60. Service by a reemployed annuitant is not covered by the provisions of 5 U.S.C. 8336(c).