5 CFR §894.303

1. (a)If you have FEDVIP coverage and you transfer to a position excluded under § 894.302(a) through (d), your enrollment stops.
2. (b)If you have FEDVIP coverage and you transfer to a position excluded under § 894.302(e) through (j) with no break in service of more than 3 days, your enrollment is not affected. If you have a break in service of more than 3 days, your enrollment stops.
3. (c)If you did not elect to enroll in FEDVIP and then transfer to an excluded position, you lose all rights to enroll at that time.