The Secretary or the Commission, as appropriate, shall serve written notice of the hearing on the parties. The hearing notice shall contain: The date, time, place, and nature of the hearing; The legal authority and jurisdiction under which the hearing is to be held, including citation to any statute or regulation that is pertinent; The nature and subject matter of the hearing; A statement of the right to present witnesses and documents; A statement that a copy of the hearing procedures is available upon request; A statement of any right or restrictions pertaining to representation; The name, mailing address, and telephone number of each party to whom the notice is sent; The name, title, address, and telephone number of any attorney or Commission employee who has been designated to represent the agency at the hearing; A statement that failure to appear for the scheduled hearing may result in an adverse action against that party; and A statement that parties may agree to the evidence and may waive their right to appear at the hearing.