The plaintiff in the action may, upon such examination, propose to the prisoner any such interrogatories pertinent to the inquiry; and they must, if required by the plaintiff, be proposed and answered in writing, and the answer must be signed and sworn to by the prisoner.
Interrogatories Directed To Prisoner By Plaintiff
Mont. Code Ann. § 25-14-305, under Discharge of Imprisoned Judgment Debtor.
Mont. Code Ann. § 25-14-305