5 CFR § 894.406
What happens if my uniformed services pay or uniformed services retirement pay is insufficient to cover my FEDVIP premiums, or I go into a nonpay status?
November 4, 2020
(a) You must contact the Administrator to arrange to pay your premiums by direct premium payment or automatic bank withdrawal to the Administrator.
(b) If you do not make the premium payments, your FEDVIP coverage will stop. You will not be able to reenroll until the next open season after:
(1) You are in pay status; or
(2) Your uniformed services pay or uniformed services retirement pay (retired, retainer, or equivalent) is sufficient to make the premium payment.
[83 FR 58179, Nov. 19, 2018]