28. A party who wishes to have a witness summoned to appear to testify, to produce a document or both, must use the form provides by Tribunal.
The party is responsible for having the subpoena issued by the party’s advocate or, failing that, by a member of the Tribunal served at least 10 days before the hearing.
In a case of emergency, a member of the Tribunal may shorten the time limit for service, but it may not be less than 24 hours. That decision must be specified in the subpoena.
A person in prison may only be summoned on an order from a member of the Tribunal commanding the warden or gaoler, as the case may be, to make the person appear according to the instructions in the order so that the person may testify.