39. The parties summon their witnesses to appear before the Tribunal by a subpoena issued by a judge of the Tribunal, a clerk of the Court of Québec or a lawyer and notified at least 10 days before their appearance.
In urgent cases, a judge of the Tribunal or a clerk of the Court of Québec may, by special order recorded on the subpoena, shorten the service time. The time between the notification and the appearance may not however be less than 24 hours.
Decision 2015-12-17, s. 39.