|(a) Following the conclusion of the hearing, the hearing officer shall promptly prepare a written proposal for decision. (b) The proposal for decision shall be based exclusively on the evidence of record in the hearing and on matters officially noticed in the hearing. The decision shall include: (1) a list of the individuals who appeared at the hearing; (2) the findings of fact and conclusions of law reached on the issues; and (3) the affirmation, reversal, or modification of the sanctions. (c) The proposal for decision shall be submitted to the Agency's executive director for issuance of a written decision on behalf of the Agency. (d) Unless a party files a timely motion for rehearing, the Agency may assume continuing jurisdiction to modify or correct a decision until the expiration of 30 calendar days from the mailing date of the decision.