(a) Your employer must provide you with a written decision. The decision must include the reason for the decision, and notice of your right to appeal the decision to the MSPB.

(b) If your employer determines that it cannot waive the time limit for making an election under § 839.612, the decision must inform you of your right to ask OPM to review the decision. OPM will advise you in writing of your appeal rights following its review of your employer's decision.

(a) You can appeal to the MSPB a decision that affects your rights and interests under this part, except an OPM decision under subpart L (see § 839.1303). Some examples of decisions are:

(1) Your employer's determination that your error is not subject to these rules;

(2) Your employer's determination that you are not eligible to elect retirement coverage under these rules; and

(3) OPM's denial of your request for a waiver of the time limit for making an election.

(b) You may not seek review of a decision under any employee grievance procedures, including those established by chapter 71 of title 5, United States Code, and 5 CFR part 771.

Yes, OPM's decisions under subpart L (Discretionary Actions by OPM) are final and conclusive and are not subject to administrative or judicial review.

(a) Except for claims under subpart L (see § 839.1303), and after exhausting your administrative remedies as set out in this subpart, you may bring a claim against the Government under section 1346(b) or chapter 171 of title 28, United States Code.

(b) You may also bring a claim against the Government under any other provision of law if your claim is for amounts not otherwise provided for under these rules.