The fees of the arbitral tribunal to be stated separately as to each arbitrator and to be fixed by the tribunal itself in accordance with

article 41

;

The reasonable travel and other expenses incurred by the arbitrators;

The reasonable costs of expert advice and of other assistance required by the arbitral tribunal;

The reasonable travel and other expenses of witnesses to the extent such expenses are approved by the a rbitral tribunal;

The legal and other costs incurred by the parties in relation to the arbitration to the extent that the arbitral tribunal determines that the amount of such costs is reasonable;

Any fees and expenses of the appointing authority as well as the fees and expenses of the Secretary-General of the PCA.