5 CFR § 875.211
What happens if my eligibility status changes after I submit my application?
November 4, 2020
(a) If you applied as an active workforce member, and separate from service under the MRA+10 provisions of 5 U.S.C. 8412(g), or retire after you submit an application for coverage, but before your coverage becomes effective, you must reapply as an annuitant and submit to full underwriting requirements.
(b) If you applied as an active workforce member, and otherwise separate from service, but you are a qualified relative of another workforce member, you must reapply based on the additional underwriting requirements specified for that type of qualified relative.
[70 FR 30607, May 27, 2005]