(1) All parties must provide the hearing officer and all other parties with their name, address, and telephone number.

(2) The appellant may act as their own representative or have another person represent them, except that employees of the health care authority (HCA) or HCA's authorized agents may not represent an appellant, unless approved by a hearing officer.

(3) If the appellant is represented by a person who is not an attorney admitted to practice in Washington state, the representative must provide the hearing officer and all other parties with the representative's name, address, and telephone number. In cases involving confidential information, the nonattorney representative must provide the HCA hearing representative with a signed, written consent permitting release to the nonattorney representative of health information protected by state or federal law.

(4) An attorney admitted to practice law in Washington state, who wishes to represent the appellant, must file a written notice of appearance containing the attorney's name, address, and telephone number with the hearing officer's office and serve all parties with the notice. In cases involving confidential information, the attorney representative must provide the HCA hearing representative with a signed, written consent permitting release to the attorney representative of the appellant's health information protected by state or federal law. If the appellant's attorney representative no longer represents the appellant, then the attorney must file a written notice of withdrawal of representation with the hearing officer's office and serve all parties with the notice.