Child Support Modification - Montana
IN THE DISTRICT COURT OF THE [____] JUDICIAL DISTRICT
IN AND FOR THE COUNTY OF [COUNTY], STATE OF MONTANA
| Party | Role |
|---|---|
| [NAME IN EXISTING CASE CAPTION] | Petitioner |
| and | |
| [NAME IN EXISTING CASE CAPTION] | Respondent |
Cause No. [________]
Department No. [________]
[UNOPPOSED / DELETE IF OPPOSED] MOTION TO MODIFY CHILD SUPPORT
[MOVING PARTY NAME], the [petitioner/respondent] in this existing case, moves for an order modifying the child support provisions of the order identified below. This motion is made under Mont. Code Ann. §§ 40-4-208 and 40-4-204 and Mont. R. Civ. P. 7(b). The specific grounds and requested relief follow.
The moving party contacted the other parties who have appeared in this case on [DATE] by [METHOD]. Their positions on this motion are [STATE EACH POSITION OR OBJECTION]. [IF A PARTY WAS NOT CONTACTED: STATE WHETHER THAT PARTY HAS NOT APPEARED OR IS IN DEFAULT.] If the motion is unopposed, retain "UNOPPOSED" in the title.
1. Existing order and children
- On [DATE], this Court entered the [TITLE OF DECREE OR SUPPORT ORDER], docket number [____], requiring [PARENT] to pay $[____] [per month/other period] for [CHILDREN'S INITIALS OR OTHER IDENTIFIER PER COURT PRIVACY RULES]. Attach the relevant order as Exhibit A.
- The order was last modified on [DATE, OR "NOT MODIFIED"]. The current medical support terms are [DESCRIBE].
- The children covered by this motion are [CHILD IDENTIFIERS AND AGES]. Use any confidential information form required by the court for protected identifiers.
2. Grounds for modification
Timing and route. The support order was established on [DATE] and most recently modified on [DATE / NOT MODIFIED]. For a modification under Mont. Code Ann. § 40-4-208(2)(b), at least 12 months have passed since the later event: [YES / NO]. If no, identify an applicable exception under §§ 40-4-251 through 40-4-258 or a qualifying immediate medical-support ground under § 40-4-208(2)(c): [STATE FACTS AND AUTHORITY].
- Since the existing order, the following circumstances have changed: [STATE DATES, PRIOR FACTS, CURRENT FACTS, AND SUPPORTING DOCUMENTS FOR EACH CHANGE].
- These changes are substantial and continuing because [SPECIFIC FACTS SHOWING DURATION AND EXPECTED CONTINUATION]. They make the existing support terms unconscionable because [EXPLAIN THE EFFECT ON THE CHILD AND PARTIES]. Mont. Code Ann. § 40-4-208(2)(b)(i).
- [IF APPLICABLE: The parties consent in writing to the proposed modification. Attach their signed consent as Exhibit __. Mont. Code Ann. § 40-4-208(2)(b)(ii).]
- [IF APPLICABLE: The existing order lacks a medical support order, or the following medical support order has been violated: ____. State the requested immediate medical support change and the actual or anticipated medical cost. Mont. Code Ann. § 40-4-208(2)(c).]
3. Guideline and medical support information
- The attached current Montana child support guideline calculation and supporting financial information show a proposed obligation of $[____] [per month/other period]. The calculation uses [IDENTIFY EACH PARENT'S INCOME, PARENTING PLAN, CHILD CARE, INSURANCE COSTS, AND OTHER MATERIAL INPUTS]. The court must apply the standards and uniform guidelines under Mont. Code Ann. § 40-4-204(2)–(3).
- The proposed medical support terms are: [HEALTH COVERAGE, RESPONSIBLE PARENT, PREMIUM ALLOCATION, AND UNREIMBURSED EXPENSE ALLOCATION]. A modification of a final child support order must include a medical support order. Mont. Code Ann. § 40-4-204(4).
- [IF REQUESTING AN AMOUNT DIFFERENT FROM THE GUIDELINE AMOUNT: The guideline amount is $[____]. The requested amount is $[____]. The specific facts supporting a clear-and-convincing-evidence finding that the guideline amount is unjust or inappropriate are ____. See Mont. Code Ann. § 40-4-204(3)(a)–(b).]
4. Requested order
The moving party requests that the Court:
- Modify the ongoing child support obligation to $[____] [per month/other period], beginning with installments accruing after actual notice of this motion to the parties, on the date the Court determines under Mont. Code Ann. § 40-4-208(1). The date and manner of actual notice are [____], if known when this motion is filed.
- Include the medical support terms described above and the income withholding provisions required by Mont. Code Ann. § 40-4-204(4)–(5), subject to any statutory written exception the Court finds applicable. If the Court grants an immediate-withholding exception, include the delinquency-withholding warning required by subsection (5)(b).
- Leave installments that accrued before the legally effective modification date undisturbed; and
- Grant other relief supported by the evidence and law, specifically [DESCRIBE IF SOUGHT].
The moving party requests a hearing if the Court requires one. Supporting brief: [FILED WITH THIS MOTION; TITLE AND DATE: ____]. The brief states the law and facts supporting this motion. Under Montana Uniform District Court Rule 2(b)–(c), it is filed with the motion; omitting it is deemed an admission that the motion lacks merit. Supporting papers attached: Exhibit A (existing order); Exhibit [__] (guideline calculation); Exhibit [__] (financial information); Exhibit [__] (other evidence or written consent).
After the briefing period, the moving party will file and send the fully-submitted notice required by Uniform District Court Rule 2(f) within the rule's five-day period.
Date: [__/__/____]
Signature: ______________________________
[MOVING PARTY OR ATTORNEY NAME]
[ADDRESS]
[PHONE]
[EMAIL]
[ATTORNEY BAR NUMBER, IF APPLICABLE]
Certificate of service
I certify that on [__/__/____], I served this motion and all supporting papers on [NAME OF OTHER PARTY'S ATTORNEY, OR UNREPRESENTED PARTY] by [DESCRIBE METHOD PER MONT. R. CIV. P. 5(b)] at [SERVICE ADDRESS OR CONSENTED ELECTRONIC ADDRESS]. Electronic service under Rule 5(b)(2)(E) requires the recipient's written consent.
Signature: ______________________________
[NAME]
About this template
- Last updated
- November 5, 2026
- Citations checked
- November 5, 2026
- Jurisdiction
- Montana
- Category
- Family Law
Legal authority
- Mont. Code Ann. § 40-4-208
- Mont. Code Ann. § 40-4-204
- Mont. Unif. Dist. Ct. R. 2
- Mont. R. Civ. P. 5
- Mont. R. Civ. P. 7
Family law covers the paperwork that shapes divorce, custody, child support, adoption, guardianship, and other family matters. These filings are emotional and high-stakes, and they also have to meet strict procedural rules for service, financial disclosure, and parenting plans. Clean, accurate paperwork keeps the focus on getting a workable outcome for the family instead of getting derailed by technical problems that delay hearings or force amended filings.
Not legal advice
This template is provided for informational purposes. We recommend having an attorney review any legal document before signing, especially for high-value or complex matters.
Checked against the law it cites
A reviewer verified this template's legal citations against the official source on November 5, 2026.
Mont. Unif. Dist. Ct. R. 2(b) (checked November 5, 2026): "The moving party shall file with the court a supporting brief upon filing a motion. The brief may be accompanied by appropriate supporting documents."
Mont. Unif. Dist. Ct. R. 2(c) (checked November 5, 2026): "The moving party's failure to file a brief shall be deemed an admission that the motion is without merit."
Mont. Code Ann. § 40-4-208(1) (checked November 5, 2026): "a decree may be modified by a court as to maintenance or support only as to installments accruing subsequent to actual notice to the parties of the motion for modification."
Mont. Code Ann. § 40-4-208(2)(b)(i) (checked November 5, 2026): "upon a showing of changed circumstances so substantial and continuing as to make the terms unconscionable;"
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