894.504—When is my enrollment effective?

(a) Open season enrollments are effective on the date set by OPM.

(b) If you enroll when you first become eligible your enrollment is effective the 1st day of the pay period following the one in which the Administrator receives your enrollment, but no earlier than December 31, 2006.

(c) (1) A belated open season enrollment is effective retroactive to the date it would have been effective if you had made a timely enrollment or request for a change.

(2) Any other belated enrollment or change is effective retroactive to the 1st day of the pay period following the one in which you became newly eligible or the date of your QLE.

(3) You are responsible for any retroactive premiums due to a belated enrollment or request for a change.

CFR

894.504—When is my enrollment effective?