Article 80 1. The application shall be served on the opposite party, and the President shall prescribe a short period within which that party may submit written or oral observations. 2. The President may order a preparatory inquiry. Article 81 1. The President shall refer the application to the Court within 48 hours 2. If the President is absent or prevented from attending, Article 8 of these Rules shall apply. Where the application is referred to it, the Court shall postpone all other cases, and shall give a decision after hearing the parties. Article 80 shall apply. Article 82 1. The decision on the application shall take the form of a reasoned order. The order shall be served on the parties forthwith. 2. The execution of the order may be made conditional on the lodging by the Applicant of security, of an amount and nature to be fixed in the light of the circumstances. 3. Unless the order fixes the date on which the interim measure is to lapse, the measure shall lapse when final judgment is delivered. 4. The order shall have only an interim effect, and shall be without prejudice to the decision of the Court on the substance of the case. Article 83 On application by a party, the order may at any time be varied or cancelled on account of a change in circumstances. Article 84 Rejection of an application for an interim measure shall not bar the party who made it from making a further application on the basis of new facts. Article 85 The provisions of this Chapter shall apply to applications to suspend the execution of a decision of the Court or of any measure adopted by another institution, submitted pursuant to these rules. The order granting the application shall fix, where appropriate, a date on which the interim measure is to lapse. Article 86 1. The President shall give his decision in the form of an order. Article 82 of these Rules shall apply.