5 CFR § 894.509
What are the QLEs that are consistent with increasing my type of enrollment?
November 4, 2020
(a) Marriage; except for a TEI who is an unremarried survivor, widow or widower; TEI former spouse; and TEI child(ren);
(b) Acquiring an eligible child or TEI child; or
(c) Loss of other dental or vision coverage by an eligible family member or TEI family member.
[83 FR 58179, Nov. 19, 2018]