Brief adjudicative proceedings shall be closed to the public unless the Open Public Meetings Act, chapter 42.30 RCW, requires otherwise. If the act requires an open proceeding, then a party may apply to the presiding officer for a protective order to close part of the proceeding. The party making the request should state the reasons for making the application to the presiding officer. If the other party opposes the request, a written response to the request shall be made within ten days of the request to the presiding officer. The presiding officer shall determine which, if any, parts of the proceeding shall be closed, and state the reasons therefor in writing within twenty days of receiving the request. No cameras or recording devices, other than the official recording method, shall be allowed in proceedings or parts of proceedings which have been closed.