(a) Upon his determining a claim, the Hearing Officer shall file a notice of the same simultaneously with the Director (for his review under subpart F of this part in the event of approval) and the PSOB Office, which notice shall specify the factual findings and legal conclusions that support it.

(b) Upon a Hearing Officer's approving or denying a claim, the PSOB Office shall serve notice of the same simultaneously upon the claimant (and upon any other claimant who may have filed a claim with respect to the same public safety officer). Such notice shall -

(c) Upon a claimant's failure (without reasonable justification or excuse) to pursue in timely fashion the determination of his claim pursuant to his filed request therefor, the Director may, at his discretion, deem the request to be abandoned, as though never filed. Not less than thirty-three days prior thereto, the PSOB Office shall serve the claimant with notice of the Director's intention to exercise such discretion.