6. After the expert has made his report, the Court may order that he be examined, the parties having been given notice to attend. 7. Subject to the control of the President, questions may be put to the expert by the representatives of the parties. 8. Before carrying out his task, the expert shall take the following oath in written form or before the Court: “I swear or declare that I shall conscientiously and impartially carry out my task”. Article 46 1. If one of the parties objects to a witness or to an expert on the ground that he is not a competent or proper person to act as witness or expert or for any other reason, or if a witness or expert refuses to give evidence or, to take the oath or to make a solemn affirmation equivalent thereto, the matter shall be resolved by the Court. 2. An objection to a witness or to an expert shall be raised within two weeks after service of the order summoning the witness or appointing the expert; the statement of objection must set out the grounds of objection and indicate the nature of any evidence offered. Article 47 Witnesses and Experts summoned by the Court shall be entitled to reimbursement of their travel and subsistence expenses. The Registry of the Court may make a payment to them towards these expenses in advance. Article 48 The Court may, on application by a party or of its own motion, issue letters rogatory for the examination of witnesses or experts. Article 49 1. The Chief Registrar shall draw up minutes of every hearing. The minutes shall be signed by the President and by the Chief Registrar and shall constitute an official record. 2. The parties may inspect the minutes and any expert's report at the Registry and obtain copies at their own expense.