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Rule 501.Motion Practice

Part V. Motions and Injunctions · Last amended July 1, 2021 · Last verified September 4, 2026

In one sentenceRule 501 requires every request for a court order to be made by motion and sets the 14-day, 7-day and 2-day filing ladder for motions, oppositions and replies.

Full Text of Rule 501

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(a) Motions and Other Papers.
(1) In General. A request for a court order must be made by motion. That motion must:
(A) be in writing unless made during a hearing or trial;
(B) state with particularity the grounds for the relief sought including the number of the applicable Rule of Family Law Procedure, other relevant rule, or law, if any; and
(C) state the relief or order sought.
(2) Proposed Order. A proposed form of an order, if included, must be a separate document.
(3) Filing and Serving Motions, Affidavits and Briefs; Time Limits.
(A) A written motion, other than one which may be heard without notice, affidavits supporting the motion, memoranda or briefs supporting the motion, if any, and, if a hearing is requested, the notice of hearing for the motion, must be filed with the court and served so as to be received by the parties at least 14 days prior to the day designated for hearing.
(B) Affidavits opposing the motion and opposing memoranda or briefs, if any, must be filed with the court and served so as to be received by the parties at least 7 days before the hearing.
(C) The moving party may file a reply brief or memorandum, which must be filed with the court and served so as to be received by the parties at least 2 days prior to the hearing.
(D) The moving party must indicate on the face of the motion whether oral argument is desired. If a brief or memorandum is not filed with the motion, the motion must indicate on the face of the motion whether the party intends to file a brief or memorandum supporting the motion. If no oral argument is requested, a proposed order must be submitted by the moving party.
(E) If the moving party does not request oral argument or does not timely file a supporting memorandum or brief, the court may deny the motion without further notice if it determines the motion does not have merit.
(F) If oral argument has been requested on any motion, the court may deny oral argument by written or oral notice from the court at least 1 day prior to the hearing. The court may limit oral argument at any time.
(G) If the office of the presiding judge is outside of the county in which the action is pending, the parties must simultaneously provide a copy of any notice, motion, affidavit, brief, or other document relating to a motion to the presiding judge in addition to filing the materials with the court of record.
(H) Any exception to the time limits in this rule may be granted by the court for good cause shown. If time does not permit a hearing or response on a motion to extend or shorten time, the court may rule without opportunity for response or hearing.
(I) The time limits in this rule do not apply to motions and other matters if a different time limit is provided by statute or by another Rule of Family Law Procedure.
(b) Captions, Signing and Form of Motions. The rules applicable to captions, signing, and other matters of form of pleadings apply to all motions and other papers provided for by these rules.
End

Rule History

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

Plain-English Summary

Rule 501 is the rule every other motion in these rules runs through.

What a motion must contain

A request for a court order must be made by motion. It must be in writing unless made during a hearing or trial; state with particularity the grounds for the relief, including the number of the applicable rule, other relevant rule, or law; and state the relief or order sought. A proposed form of order, if included, must be a separate document.

The three deadlines

Counting backward from the hearing:

  • 14 days — the motion, supporting affidavits, any brief, and the notice of hearing must be filed and served so as to be received by then;
  • 7 days — opposing affidavits and briefs;
  • 2 days — the moving party's reply.

Note the wording: received, not merely mailed. Rule 205's three added days for service by mail do not rescue a paper that arrives late.

Oral argument, and the price of not asking

The moving party must indicate on the face of the motion whether oral argument is desired, and, if no brief accompanies the motion, whether one is coming. If no oral argument is requested, the moving party must submit a proposed order.

Then the consequence: if the moving party does not request oral argument or does not timely file a supporting memorandum, the court may deny the motion without further notice if it determines the motion lacks merit. Silence on the face of the motion can end it unheard.

The court may also deny requested oral argument on at least 1 day's written or oral notice, and may limit argument at any time.

Two practical provisions

Where the presiding judge sits outside the county in which the action is pending, the parties must simultaneously provide a copy of every motion paper to that judge in addition to filing with the court of record.

Any exception to these time limits may be granted for good cause shown, and if time does not permit a hearing on a motion to extend or shorten, the court may rule without response or hearing. The limits also yield where a statute or another rule supplies a different one. Captions, signing and form follow the pleading rules.

Frequently Asked Questions

How far ahead must I file a motion?

Rule 501(a)(3)(A) requires a written motion, supporting affidavits, any brief, and the notice of hearing to be filed and served so as to be received by the parties at least 14 days prior to the day designated for hearing.

When is my response due?

Rule 501(a)(3)(B) requires opposing affidavits and briefs to be received at least 7 days before the hearing, and Rule 501(a)(3)(C) allows the moving party a reply received at least 2 days before it.

Can my motion be denied without a hearing?

Yes. Rule 501(a)(3)(E) allows the court to deny the motion without further notice, if it determines the motion does not have merit, where the moving party does not request oral argument or does not timely file a supporting memorandum or brief.

Do I have to say what rule I am relying on?

Yes. Rule 501(a)(1)(B) requires the motion to state with particularity the grounds for the relief sought including the number of the applicable Rule of Family Law Procedure, other relevant rule, or law, if any.

What if the judge sits in a different county?

Rule 501(a)(3)(G) requires the parties to simultaneously provide a copy of any notice, motion, affidavit, brief or other document relating to a motion to the presiding judge, in addition to filing with the court of record.

Can these deadlines be changed?

Rule 501(a)(3)(H) allows the court to grant an exception for good cause shown, and Rule 501(a)(3)(I) makes them yield where a statute or another Rule of Family Law Procedure provides a different time limit.

Source & verification. Rule text and Rule History reproduced verbatim from the Idaho Rules of Family Law Procedure as published by the Idaho Supreme Court, current through amendments effective July 1, 2026. Promulgated by the Supreme Court of Idaho (Idaho Const. art. V, sec. 25). Last verified September 4, 2026. · Official text
Also known as: motion practice14 daysfiling a motionoral argumentreply briefproposed orderopposing affidavit