Military Divorce in Montana: Complete 2026 Guide to SCRA, Pension Division, and Military Spouse Rights

By Antonio G. Jimenez, Esq.Montana16 min read

At a Glance

Residency requirement:
To file for divorce in Montana, at least one spouse must have resided in the state (or been stationed there as a member of the armed services) for a minimum of 90 days immediately preceding the filing, per MCA § 40-4-104 and MCA § 25-2-118. If the divorce involves minor children, the children must have resided in Montana for at least six months for the court to have jurisdiction over parenting issues (MCA § 40-4-211).
Filing fee:
$200–$250
Waiting period:
Montana calculates child support using the Uniform Child Support Guidelines adopted by the Department of Public Health and Human Services, as referenced in MCA § 40-4-204 and MCA § 40-5-209. The calculation considers each parent's income (including imputed income for unemployed parents), the number of children, the parenting schedule, and the child's needs including healthcare and education. Both parents complete a Child Support Guidelines Financial Affidavit, and the court uses a standardized worksheet to determine the presumptive support amount.

As of June 2026. Reviewed every 3 months. Verify with your local clerk's office.

Need a Montana divorce attorney?

One personally vetted attorney per county — by application only

Find Yours

Montana military divorce cases involve both state family law under MCA § 40-4-104 and federal protections including the Servicemembers Civil Relief Act (SCRA) and the Uniformed Services Former Spouses' Protection Act (USFSPA). The filing fee for military divorce in Montana is $250 ($200 filing fee plus $50 judgment fee), with a 90-day residency requirement that military members stationed in Montana automatically satisfy. Active-duty servicemembers can request a minimum 90-day stay of proceedings under 50 U.S.C. § 3931 if deployment or military duties prevent court appearance, and the 10/10 rule determines whether former spouses receive direct pension payments from the Defense Finance and Accounting Service (DFAS).

Key Facts: Montana Military Divorce

RequirementDetails
Filing Fee$250 ($200 filing + $50 judgment fee)
Residency Requirement90 days domicile or military stationing
Waiting Period21 days after service; 20 days for summary dissolution
GroundsNo-fault only (irretrievable breakdown)
Property DivisionEquitable distribution under MCA § 40-4-202
SCRA StayMinimum 90 days, extendable
10/10 Rule for Direct DFAS Payment10 years marriage overlapping 10 years service
20/20/20 Rule for Full TRICARE20 years marriage, 20 years service, 20 years overlap

Residency Requirements for Military Divorce in Montana

Military members stationed at Malmstrom Air Force Base or any Montana installation for at least 90 consecutive days satisfy the residency requirement to file for divorce in Montana under MCA § 40-4-104, even if they maintain legal domicile in another state. This 90-day military stationing provision allows servicemembers to file where they are stationed rather than traveling to their home-of-record state. Civilian spouses must establish actual domicile in Montana for 90 days, meaning they must intend to make Montana their permanent home, not merely reside there temporarily. If minor children are involved, Montana imposes an additional 6-month residency requirement under MCA § 40-4-211 before the court can exercise jurisdiction over custody and parenting matters.

Montana uses a domicile-based jurisdictional standard rather than simple residency. Under 50 U.S.C. § 4001 of the SCRA, a servicemember's state of domicile does not change merely because military orders station them elsewhere. This means a servicemember stationed in Montana but domiciled in Texas could file in either Montana (based on military stationing) or Texas (based on domicile). Strategic jurisdictional choices matter significantly because Montana's equitable distribution approach under MCA § 40-4-202 may produce different outcomes than community property states like California or Texas.

Servicemembers Civil Relief Act (SCRA) Protections

The Servicemembers Civil Relief Act provides active-duty military members with automatic protection against default judgments and the right to request at least a 90-day stay of civil court proceedings when military service materially affects their ability to appear. Under 50 U.S.C. § 3931, if a servicemember cannot participate in divorce proceedings due to deployment, TDY assignment, or operational duties, the court must grant at least a 90-day postponement upon proper written request. The servicemember must submit an application explaining how current military duties prevent appearance and provide an estimated date of availability. Courts may extend the stay beyond 90 days at their discretion based on the circumstances.

Before entering any default judgment in a Montana military divorce, the filing spouse must submit a Military Affidavit (also called an Affidavit of Non-Military Service) verifying the respondent's active-duty status. The court can verify military status through the SCRA website at https://scra.dmdc.osd.mil. If the respondent is on active duty and has not appeared, 50 U.S.C. § 3931 requires the court to appoint an attorney to represent the absent servicemember's interests before proceeding. This protection prevents deployed servicemembers from losing custody rights or property interests while serving overseas.

SCRA Stay Limitations

The SCRA is designed as a shield for legitimate military conflicts, not a sword to delay proceedings indefinitely. Montana courts increasingly require specific documentation of how military duties prevent participation, and repeated stay requests may be denied if the servicemember fails to demonstrate good faith efforts to participate. Servicemembers should consider appearing by video conference when operational security permits, designating counsel to appear on their behalf, or providing responsive pleadings even if they cannot attend hearings in person. A servicemember who simply ignores divorce proceedings while hiding behind SCRA protections risks having those protections waived or limited by the court.

Military Pension Division Under USFSPA

The Uniformed Services Former Spouses' Protection Act (USFSPA), codified at 10 U.S.C. § 1408, authorizes Montana state courts to treat military retired pay as divisible marital property under MCA § 40-4-202. Montana uses equitable distribution, meaning the court divides military retirement fairly based on the marriage length, each spouse's age and health, income and employability of both parties, and homemaker contributions during the military career. Unlike community property states that typically award a 50/50 split, Montana courts have discretion to award anywhere from 0% to 50% (or more in rare circumstances) of the marital portion of military retirement based on equitable factors.

The 10/10 Rule for Direct DFAS Payments

The 10/10 rule determines payment method, not entitlement to a pension share. If the marriage lasted at least 10 years overlapping with at least 10 years of creditable military service, the former spouse can receive their court-ordered share directly from DFAS rather than depending on the servicemember to make monthly payments. When the 10/10 rule is not met, the servicemember remains personally responsible for paying the former spouse's share through state court enforcement mechanisms such as garnishment or contempt. The 10/10 rule affects only the administrative convenience of direct payment; it does not limit the court's authority to divide the pension as marital property.

The Frozen Benefit Rule (Post-December 2016 Divorces)

For divorces finalized after December 23, 2016, the National Defense Authorization Act of 2017 implemented the "frozen benefit rule" under 10 U.S.C. § 1408(a)(4)(B). This rule caps the former spouse's share at the servicemember's rank and years of service at the time of divorce, not at retirement. For example, if an E-7 with 15 years of service divorces and later retires as an E-9 with 24 years of service, the former spouse's share is calculated based on the E-7/15-year values frozen at divorce, not the higher E-9/24-year retirement. This change significantly reduced the value of military pensions to former spouses in many cases, shifting post-divorce promotions and longevity increases entirely to the servicemember.

Disability Pay Waiver Issues

Military disability compensation introduces complexity because VA disability pay is not divisible property under federal law. When a servicemember waives military retirement pay to receive VA disability compensation (Combat-Related Special Compensation excluded), the former spouse's share of retirement pay can be reduced proportionally. This "disability offset" occurs because the former spouse is entitled only to a percentage of "disposable retired pay," which excludes disability compensation. Montana courts cannot order division of VA disability pay itself, though some courts award offsetting spousal maintenance to compensate for lost retirement share.

TRICARE Eligibility After Military Divorce

TRICARE eligibility for former military spouses depends on three specific duration tests measuring marriage length, service length, and overlap between them. The 20/20/20 rule provides the most comprehensive benefits: if the former spouse was married for at least 20 years, the servicemember performed at least 20 years of service creditable toward retirement, and the marriage overlapped with at least 20 of those service years, the unremarried former spouse retains TRICARE indefinitely along with commissary, exchange, and MWR privileges. Remarriage before age 55 permanently terminates these benefits, even if the subsequent marriage ends in divorce or death.

20/20/15 Rule: Limited Transitional Coverage

Former spouses meeting the 20/20/15 threshold (20 years marriage, 20 years service, but only 15-19 years overlap) receive only one year of transitional TRICARE coverage from the divorce date. No commissary or exchange privileges are included under the 20/20/15 rule. After the one-year transitional period ends, the former spouse must obtain coverage through the Affordable Care Act marketplace, employer-sponsored insurance, or the Continued Health Care Benefit Program (CHCBP), which provides COBRA-like coverage for up to 36 months at premiums set by the Department of Defense.

Children's TRICARE Eligibility

Children of the marriage retain TRICARE eligibility as dependents regardless of how long the marriage lasted, provided they meet standard age and dependency requirements (generally under age 21, or under 23 if full-time students). Children's coverage is not affected by the divorce and continues until they age out or no longer qualify as dependents. This distinction is important: even a short military marriage produces children with continued TRICARE eligibility despite the former spouse losing coverage.

Child Custody and Deployment Considerations

Montana law explicitly prohibits courts from basing custody decisions solely on a parent's military service under provisions protecting servicemembers from discrimination. If a Montana court modifies an existing parenting plan based in whole or in part on a parent's deployment or military service orders, that modification is automatically temporary and reverts to the original parenting plan when the military service ends. This protection prevents the non-military parent from using deployment as a permanent custody grab. Additionally, when a military parent returns from service and requests modification, the court cannot consider the parent's military-related absence when determining the child's best interests.

Military Parenting Plans in Montana

Montana requires parents in dissolution cases to submit parenting plans under MCA § 40-4-234. Military families should include specific deployment provisions addressing: where the child will reside during deployment, mobilization, or unaccompanied tours; how decision-making authority transfers during absence; communication schedules between the deployed parent and child (video calls, email, care packages); whether a family member of the deployed parent can exercise parenting time as a surrogate; and procedures for transitioning the child back to the original schedule upon return. Courts favor detailed deployment clauses that minimize future conflicts and protect the child's relationship with both parents.

Relocation Restrictions

Military families face unique relocation challenges when PCS orders conflict with custody arrangements. Under Montana law, the relocating parent must provide written notice at least 30 days before any move that would require schedule changes. Montana courts evaluate relocations based on the child's best interests, and military orders do not automatically justify relocation with children. A military parent receiving PCS orders to another state cannot simply take the children without court approval if the other parent objects. Consultation with a military divorce attorney before accepting PCS orders affecting custody is strongly recommended.

Filing Process for Montana Military Divorce

Filing for military divorce in Montana follows the same procedural steps as civilian divorce, with additional considerations for service of process on deployed members and SCRA compliance. The petition for dissolution is filed with the District Court in the county where either spouse resides or where the servicemember is stationed. The $250 filing fee ($200 base plus $50 judgment fee) must accompany the petition unless the filer qualifies for a fee waiver under Montana's poverty guidelines (125% of federal poverty level: $23,531 for individuals, $48,188 for a family of four in 2026).

Service of Process on Military Members

Serving divorce papers on an active-duty servicemember requires careful attention to SCRA requirements. Personal service remains the preferred method, but deployed servicemembers may be served through their unit legal office, by mail to their APO/FPO address, or through publication if location is unknown (with court permission). The 21-day waiting period under MCA § 40-4-105 begins upon successful service, not upon filing. Servicemembers who receive papers should immediately consult with their base legal assistance office at Malmstrom AFB (406-731-2878) or another military installation for guidance on responding while deployed.

Survivor Benefit Plan (SBP) in Montana Military Divorce

The Survivor Benefit Plan provides a monthly annuity of 55% of the covered retired pay amount if the servicemember dies. Montana courts can order SBP coverage for a former spouse as part of the divorce decree, but the order must use specific DFAS-acceptable language. The former spouse should file a "deemed election" using DD Form 2656-10 within one year of the divorce decree to protect their SBP rights, even if the servicemember is ordered to make the election. Failure to file within the one-year deadline can result in permanent loss of SBP coverage despite the court order.

The monthly SBP premium (currently 6.5% of the base amount) reduces the servicemember's disposable retired pay. Courts may offset this cost by adjusting the percentage of retirement pay awarded to the former spouse or through maintenance adjustments. A servicemember cannot elect both spouse and former spouse SBP coverage simultaneously; if remarriage occurs, the new spouse and former spouse may need to negotiate coverage priorities through court modification.

Legal Resources for Montana Military Divorce

Malmstrom Air Force Base Legal Assistance Office provides free consultations to active-duty members, retirees, and dependents on family law matters including divorce. The office is located at 7218 Goddard Dr, Building 770, Malmstrom AFB, MT 59402, and can be reached at (406) 731-2878. While JAG attorneys cannot represent servicemembers in contested divorces, they provide advice on SCRA protections, pension division calculations, and SBP elections. For contested cases requiring court representation, referrals to civilian military divorce attorneys are available through the Montana State Bar Lawyer Referral Service.

Montana Legal Services Association (MLSA) provides free legal assistance to low-income residents, including military families, through their statewide hotline at 1-800-666-6899. The Montana Courts Self-Help Center at https://courts.mt.gov/forms provides standardized dissolution forms, including those specifically designed for cases involving parenting plans.

Frequently Asked Questions

Can my spouse file for divorce in Montana while I am deployed overseas?

Yes, your spouse can file for divorce in Montana while you are deployed, but the Servicemembers Civil Relief Act (SCRA) provides significant protections. Under 50 U.S.C. § 3931, you can request at least a 90-day stay of proceedings if deployment materially affects your ability to participate. The court cannot enter a default judgment against you without first appointing an attorney to represent your interests.

How is military retirement divided in a Montana divorce?

Montana courts divide military retirement under equitable distribution principles in MCA § 40-4-202, considering marriage length, each spouse's contributions, and other equitable factors. The former spouse's share is typically calculated using the marital fraction multiplied by 50% of the retirement benefit. Post-December 2016 divorces apply the frozen benefit rule, capping the former spouse's share at the servicemember's rank and years at divorce.

What is the 10/10 rule and does it limit my ex-spouse's pension share?

The 10/10 rule affects only payment method, not entitlement. If the marriage lasted at least 10 years overlapping with at least 10 years of military service, DFAS will pay the former spouse's share directly. If the 10/10 rule is not met, the servicemember must pay personally through state court enforcement. The rule does not limit how much pension a Montana court can award.

Will my ex-spouse keep TRICARE after our military divorce?

TRICARE eligibility depends on the 20/20/20 rule: 20 years marriage, 20 years service, and 20 years overlap. Meeting all three requirements provides indefinite TRICARE for unremarried former spouses. The 20/20/15 rule provides only one year of transitional coverage. Children retain TRICARE eligibility regardless of marriage length until they age out of dependent status.

Can deployment affect my child custody rights in Montana?

Montana law protects military parents from losing custody due to deployment. Any custody modification based on military service is automatically temporary and reverts to the original parenting plan when service ends. Courts cannot consider military-related absence as a negative factor when the returning parent seeks modification of the parenting plan.

How long does a military divorce take in Montana?

Montana requires a minimum 21-day waiting period after service under MCA § 40-4-105. Uncontested military divorces typically finalize within 30-90 days total, while contested cases involving pension division or custody disputes may require 6-18 months. SCRA stay requests can add 90+ days to the timeline when servicemembers cannot appear.

What happens to the Survivor Benefit Plan (SBP) in divorce?

Montana courts can order SBP coverage for a former spouse, providing 55% of covered retired pay if the servicemember dies. The former spouse should file a deemed election with DFAS within one year of the divorce decree using DD Form 2656-10. SBP premiums of 6.5% reduce the servicemember's monthly retirement payment.

Can I file for divorce in Montana if stationed at Malmstrom AFB but domiciled in another state?

Yes, under MCA § 40-4-104, military members stationed in Montana for at least 90 days satisfy the residency requirement regardless of their state of domicile. This allows servicemembers at Malmstrom AFB to file in Montana even if their home of record is another state. You may also have jurisdiction options in your domicile state.

How do I serve divorce papers on a deployed spouse?

Service on deployed servicemembers can be accomplished through personal service at their duty location, mail to their APO/FPO address, service through their unit legal office, or publication with court permission. The filing spouse must complete a Military Affidavit verifying active-duty status before the court can proceed with any default actions.

What military divorce resources are available at Malmstrom AFB?

The Base Legal Assistance Office at Malmstrom AFB (406-731-2878, Building 770) provides free consultations on divorce, SCRA protections, pension calculations, and SBP elections. JAG attorneys advise on legal rights but cannot represent servicemembers in contested court proceedings. Military OneSource offers confidential counseling at 1-800-342-9647.

Estimate your numbers with our free calculators

View Montana Divorce Calculators

Written By

Antonio G. Jimenez, Esq.

Florida Bar No. 21022 | Covering Montana divorce law

Vetted Montana Divorce Attorneys

Each city on Divorce.law has one personally vetted exclusive attorney.

+ 2 more Montana cities with exclusive attorneys

Part of our comprehensive coverage on:

Special Circumstances — US & Canada Overview