Taking of evidence
Article 9
1. The court or tribunal shall determine the means of taking evidence and the extent of the evidence necessary for its judgment under the rules applicable to the admissibility of evidence. The court or tribunal may admit the taking of evidence through written statements of witnesses, experts or parties. It may also admit the taking of evidence through video conference or other communication technology if the technical means are available. 2. The court or tribunal may take expert evidence or oral testimony only if it is necessary for giving the judgment. In making its decision, the court or tribunal shall take costs into account. 3. The court or tribunal shall use the simplest and least burdensome method of taking evidence.