Effect of position change on status and tenure.
CFR · 2024-01-01 · US · Title 5
(a) (b) (c) (2) A career employee who is promoted, demoted, or reassigned from a position paid under chapter 45 of title 39, United States Code, or required by law to be filled on a permanent basis to a position under the career-conditional employment system becomes a career-conditional employee unless he has completed the service requirement for career tenure.
official document · source cfr-2024 · id 5:§ 335.101