(a) The Hearing Officer may direct the parties to submit proposed findings of fact and supporting explanations within 15 days after the delivery of the official transcript to the Recorder who shall notify both parties of the date of its receipt. The filing date for proposed findings shall be the same for both parties.

(b) Proposed findings of fact shall be set forth in numbered paragraphs and shall state with particularity all evidentiary facts in the record with appropriate citations to the transcript or exhibits supporting the proposed findings.