5 CFR §359.604

1. (a)If a probationary appointee is identified for reduction in force under § 359.602(a), removal action is taken under § 359.405. Placement rights outside the SES are covered under subpart G of this part.
2. (b)If a career appointee who has completed the probationary period, or who did not have to serve one, is identified for reduction in force under § 359.602(a) and is not placed elsewhere in the SES under § 359.602(b) or § 359.603, or declines a placement offer under § 359.603, removal action is taken under § 359.604(b). Placement rights outside the SES are covered under subpart G of this part.