850.203—Other elections.
(a)
Any other election may be effected in such form as the Director prescribes under § 850.104. Such elections include but are not limited to—
(1)
Elections of coverage under CSRS, FERS, FEGLI, FEHB or RFEHB by individuals entitled to elect such coverage;
(b)
Any election, which, if it were not processed under this part, would have a deadline described in reference to the first regular monthly payment or the date of final adjudication, may not be made later than 35 days after the date of the OPM notice to the individual concerned of the amount of annuity to which he or she is entitled.