Montana Parenting Plan Requirements

Montana requires a parenting plan in every divorce, legal separation, or paternity case involving minor children. Under Montana Code Annotated (MCA) 40-4-234, no final parenting order can be entered without an approved parenting plan that addresses how the parents will share time, responsibility, and decision-making for their children.

The statute specifies exactly what the plan must include, how disputes should be resolved, and what happens when domestic violence is a factor.

What the Parenting Plan Must Include

Under MCA 40-4-234, every parenting plan filed with the court must contain the following elements. A plan that omits any required element will not be approved.

Residential schedule. The plan must set out a detailed schedule showing where the child will live on each day of the year. This includes the regular weekly rotation and weekends. The schedule must be specific enough that both parents — and any third party such as a school — can determine which parent has the child on any given day.

Holiday and vacation schedule. The plan must address how holidays, school breaks, and summer vacations will be divided. Common approaches include alternating holidays each year, splitting extended breaks, or designating specific holidays to each parent permanently.

Transportation arrangements. The plan must describe how the child will travel between the parents’ homes, where exchanges take place, and how transportation costs are divided.

Decision-making authority. The plan must specify how major decisions about the child will be made. Montana recognizes two approaches:

• Joint decision-making, where both parents must agree on major issues before a decision is made
• Sole decision-making, where one parent has authority over specific categories of decisions

Major decisions typically include education, non-emergency healthcare, religious upbringing, and extracurricular activities. Day-to-day decisions — such as meals, bedtimes, and homework — are generally made by whichever parent has the child at the time.

Dispute resolution method. The plan must include a process for resolving disagreements — such as mediation, arbitration, or a parenting coordinator — before turning to the court.

Communication provisions. The plan should address how the child will maintain contact with the non-residential parent during the other parent’s time and how the parents will communicate about the child’s needs, schedule changes, and emergencies.

Who Creates the Parenting Plan

Montana law expects both parents to attempt to create a parenting plan together. The process works as follows:

Both parents together. The preferred approach is for both parents to develop the plan cooperatively. When parents agree on all terms, they submit a joint parenting plan to the court for approval. The court reviews it to confirm it serves the child’s best interests and contains all required elements.

Each parent separately. If the parents cannot agree, each parent must submit a proposed parenting plan to the court. Under MCA 40-4-234, both parents are required to file their proposed plans. The court then evaluates both proposals and may adopt one, combine elements from each, or create an entirely different plan based on the child’s best interests.

Mediation. Montana courts frequently encourage or order mediation before allowing contested custody issues to go to trial. A mediator helps the parents negotiate a plan that addresses all statutory requirements. Mediation is not binding — if the parents cannot reach agreement, the case proceeds to a hearing.

The court. If the parents cannot agree on a parenting plan after mediation or other efforts, the court will impose a plan after a hearing or trial. The court-imposed plan is based on the best interest factors set out in MCA 40-4-212.

For a general overview of parenting plans, see our national guide on creating a parenting plan.

Best Interest Factors

Every parenting plan decision in Montana is governed by the best interest of the child standard. Under MCA 40-4-212, the court considers the following factors when evaluating or creating a parenting plan:

• The wishes of the child’s parents as to parenting
• The wishes of the child as to the child’s parent or parents
• The interaction and interrelationship of the child with the child’s parents, siblings, and any other person who significantly affects the child’s best interest
• The child’s adjustment to home, school, and community
• The mental and physical health of all individuals involved
• Physical abuse or threat of physical abuse by one parent against the other parent or the child
• Chemical dependency or chemical abuse on the part of either parent
• Continuity and stability of care — the court considers whether either parent has been the child’s primary caretaker
• Developmental needs of the child, particularly for very young children
• Whether a parent has knowingly failed to pay birth-related costs that the parent is able to pay
• Whether a parent’s income would be adversely affected by the parenting arrangement
• Adverse effects on the child caused by the continuous and vexatious involvement of the parents in litigation

No single factor is dispositive. The court weighs all relevant factors together to reach a decision that serves the child’s overall well-being.

For more on how courts determine custody, see our article on how child custody is determined.

The Role of the Child’s Preference

Montana law gives meaningful weight to the wishes of children who are old enough to form and express a reasoned preference.

There is no specific age at which a child’s preference automatically controls the outcome. However, a child who is 14 years of age or older may state a preference to the court regarding which parent the child wishes to live with. While this preference is not binding, courts give it significant weight.

The child’s preference is considered alongside all other best interest factors. A child who prefers to live with a parent who has a history of domestic violence or substance abuse will not have that preference honored if it would place the child at risk.

Presumption Against Custody in Domestic Violence Cases

Montana takes domestic violence seriously in custody proceedings. Under MCA 40-4-212(2), there is a presumption against awarding residence to a parent who has been convicted of, or has been found to have committed, physical abuse, sexual abuse, or a pattern of emotional abuse against the child or the other parent.

This presumption can be overcome, but only by clear and convincing evidence that the parent has completed appropriate treatment, that the child will be safe, and that awarding parenting time to the abusive parent is in the child’s best interest. This is a high burden of proof.

Key provisions related to domestic violence in Montana custody cases include:

• Supervised parenting time. The court may order that contact with the child occur only under supervision at a designated facility or with a professional supervisor.
• No overnight contact. The court may allow daytime contact but prohibit overnight stays until the abusive parent demonstrates progress in treatment.
• Treatment requirements. The court may require completion of a batterer’s intervention program, substance abuse treatment, or other therapeutic programs before unsupervised contact is permitted.
• Protective orders. Montana courts can issue protective orders to protect the child and the other parent from further abuse.

If domestic violence is a factor in your case, document all incidents thoroughly and consult with an attorney who understands Montana’s domestic violence provisions.

Amending or Modifying a Parenting Plan

A parenting plan can be modified after it is entered, but the standard for modification depends on when the request is made and what has changed.

Within the first two years. Under MCA 40-4-219, a parenting plan may not be modified within two years of its entry unless the child’s present environment may endanger the child’s physical, mental, or emotional health.

After two years. A parent may seek modification by showing a change in circumstances and that modification is in the child’s best interest.

By agreement. Parents can agree to modify the parenting plan at any time, subject to court approval.

Common reasons for modification include a parent’s relocation, significant schedule changes, the child’s changing needs, evidence of substance abuse or neglect, and a parent’s persistent failure to follow the existing plan.

For more on modifying custody orders, see our guide on how to modify a custody order.

Parenting Plan and Child Support

The parenting plan and child support are closely connected in Montana. The residential schedule determines how parenting time is allocated, which affects child support calculations under Montana’s income shares model. The plan also addresses shared expenses such as health insurance premiums, uninsured medical costs, childcare, and extracurricular activities. These provisions are coordinated with the child support order.

What to Do Next

If you need to create, negotiate, or modify a parenting plan in Montana, take these steps:

1. Learn the statutory requirements. Review MCA 40-4-234 so you understand every element your plan must contain. An incomplete plan will be rejected by the court.
2. Focus on your child’s best interests. Courts evaluate every parenting plan through the best interest factors in MCA 40-4-212. Build your plan around what works for your child, not around what punishes or rewards either parent.
3. Be specific and detailed. Vague plans lead to disputes. Include exact dates, times, pickup and drop-off locations, and procedures for handling schedule changes, cancellations, and makeup time.
4. Include a dispute resolution method. Montana requires every parenting plan to include a mechanism for resolving disagreements. Mediation is the most common and cost-effective option.
5. Consult a Montana family law attorney. A parenting plan affects your daily life and your child’s well-being for years to come. Schedule a free consultation to ensure your plan meets all legal requirements and protects your parental rights.

For a broader overview of custody law, see our guide on child custody laws explained.

Frequently Asked Questions

What must a Montana parenting plan include?

Under MCA 40-4-234, every parenting plan must include a residential schedule, a holiday and vacation schedule, transportation arrangements, decision-making allocation for major issues, a dispute resolution method, and communication provisions. Plans that omit any of these required elements will not be approved by the court.

At what age can a child choose which parent to live with in Montana?

Montana does not set a specific age at which a child’s preference is determinative. However, children who are 14 years of age or older may state a preference to the court, and judges give that preference significant weight. Younger children’s wishes may also be considered depending on their maturity and reasoning ability.

How does domestic violence affect custody in Montana?

Montana law creates a presumption against awarding residence to a parent who has committed physical abuse, sexual abuse, or a pattern of emotional abuse. This presumption can only be overcome by clear and convincing evidence that the child will be safe and that contact with the abusive parent serves the child’s best interest.

Can I modify a parenting plan in Montana?

Yes, but the standard depends on timing. Within the first two years, modification requires a showing that the child’s present environment endangers their health. After two years, the standard is a change in circumstances plus the child’s best interest. Parents can also agree to modify the plan at any time, subject to court approval.

Do both parents have to agree on a parenting plan?

No, but Montana law strongly encourages it. If the parents cannot agree, each parent must submit a proposed plan to the court, and the judge will create a plan based on the child’s best interests. Courts often order mediation before holding a contested hearing to give parents one more opportunity to reach agreement.