3. The Registrar shall cause sums due to witnesses and experts under the Rules of Procedure to be paid by the cashier of the Tribunal.

1. Where sums paid out by way of legal aid, sums advanced to witnesses or experts, or sums payable or to be deposited by the parties pursuant to Articles 108 and 109 of the Rules of Procedure are recoverable by the cashier of the Tribunal, the Registrar shall, by registered letter with a form for acknowledgement of receipt or, if necessary, by means of e-Curia, demand payment of those sums from the party which is to bear them in accordance with the decision by which the proceedings have been closed or with the reasoned decision of the President of the Tribunal provided for in Article 109 of the Rules of Procedure.

1. Where the Tribunal orders the examination of witnesses or an expert's report, it may request the parties or one of them to lodge with the cashier of the Tribunal security for the witnesses' costs or the costs of the expert's report.

In Quebec City I have seen the situation with respect to the caisse de dépôt, the administration of which has been severely criticized.

The cashier of the Court shall pay witnesses and experts these sums after they have carried out their respective duties or tasks.

a witness for whose examination a party has applied conditional upon the deposit with the cashier of the Court of First Instance of a sum sufficient to cover the taxed costs thereof; the Court of First Instance shall fix the amount of the payment.