In each administrative hearing, an agency shall keep an official record of the proceedings which shall consist of:
(1) All notices, pleadings, motions, and intermediate rulings;
(2) Any prehearing orders;
(3) Evidence received and considered;
(4) A statement of matters officially noticed;
(5) Proffers of proof and objections and rulings thereon;
(6) Proposed findings, requested orders, and exemptions;
(7) A copy of the recommended order, exceptions filed to the recommended order, and a copy of the final order;
(8) All requests by the hearing officer for an extension of time, and the response of the agency head;
(9) Ex parte communications placed upon the record by the hearing officer; and (10) A recording or transcript of the proceedings.