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Idaho Rules of Family Law Procedure Rule 410. Depositions to Perpetuate Testimony.


(a) Before an Action is Filed.


(1) Petition. A person who wants to perpetuate testimony about any matter within the jurisdiction of any court in the state of Idaho may file a verified petition in the district court for the district where any expected adverse party resides. The petition must ask for an order authorizing the petitioner to depose the named person in order to perpetuate their testimony. The petition must be titled in the petitioner's name and must show:


(A) that the petitioner expects to be a party to an action within the jurisdiction of a court of the state of Idaho but cannot presently bring it or cause it to be brought;


(B) the subject matter of the expected action and the petitioner's interest;


(C) the facts that the petitioner wants to establish by the proposed testimony and the reasons to perpetuate it;


(D) the names or a description of the persons whom the petitioner expects to be adverse parties and their addresses, so far as known; and


(E) the name, address, and expected substance of the testimony of each deponent.


(2) Notice and Service; Appointment of Attorney. At least 21 days before the hearing date, the petitioner must serve each expected adverse party with a copy of the petition and a notice stating the time and place of the hearing. The notice may be served either inside or outside the county or state in the manner provided in Rule 204. If that service cannot be made with reasonable diligence on an expected adverse party, the court may order service by publication or otherwise. The court must appoint an attorney to represent persons not served in the manner provided in Rule 204 and to cross-examine the deponent if an unserved person is not otherwise represented. If any expected adverse party is a minor or is incompetent, Rule 112(c) applies.


(3) Order and Examination. If satisfied that perpetuating the testimony may prevent a failure or delay of justice, the court must issue an order that designates or describes the persons whose depositions may be taken, specifies the subject matter of the examinations, and states whether the depositions will be taken orally or by written interrogatories. The depositions may then be taken under these rules, and the court may issue orders like those authorized by Rules 406 and 416. A reference in these rules to the court where an action is pending means, for purposes of this rule, the court where the petition for the deposition was filed.


(4) Using the Deposition A deposition to perpetuate testimony may be used under I.R.C.P. Rule 32(a) in any later-filed district-court action involving the same subject matter if the deposition either was taken under these rules or, although not so taken, would be admissible in evidence in the courts of the state where it was taken.


(b) Pending Appeal.


(1) In General. The court where a judgment has been rendered may, if an appeal has been taken or may still be taken, permit a party to depose witnesses to perpetuate their testimony for use in the event of further proceedings in that court.


(2) Motion. The party who wants to perpetuate testimony may move for leave to take the depositions, on the same notice and service as if the action were pending in the district court. The motion must show:


(A) the name, address, and expected substance of the testimony of each deponent; and


(B) the reasons for perpetuating the testimony.


(2) Court Order. If the court finds that perpetuating the testimony may prevent a failure or delay of justice, the court may permit the depositions to be taken and may issue orders like those authorized by Rules 406 and 416. The depositions may be taken and used as any other deposition taken in a pending district court action.


(c) Perpetuation by an Action. This rule does not limit a court's power to entertain an action to perpetuate testimony.


(Adopted March 29, 2021, effective July 1, 2021.)

As the Third Branch of Government, we provide access to justice through the timely, fair, and impartial resolution of cases.


Members of the
Idaho Supreme Court

Chief Justice G Richard Bevan
Justice Robyn M. Brody
Justice John R. Stegner
Justice Gregory W. Moeller
Justice Colleen D. Zahn

Members of the
Idaho Court of Appeals

Chief Judge Jessica M. Lorello
Judge David W. Gratton
Judge Molly J Huskey



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