Each party shall pay the expenses of presenting its own case and the expenses and fees of its arbitration panel member, if any. The expenses of witnesses must be paid by the party producing them. The fees and traveling expenses of a neutral chairperson appointed under WAC 391-55-210 (1) or (3), along with any costs for lists of arbitrators and for a recording or transcription of the proceedings, must be shared equally between the parties. The fees and traveling expenses of a neutral chairperson appointed under WAC 391-55-210(2), along with the costs of a recording of the proceedings but not a transcription or the services of a court reporter, must be paid by the agency.