Changing or Enforcing a Family Court Order in Ontario

Can a Family Court Order Really Be Changed?

A final family court order is not necessarily permanent. Incomes change, children grow older, and parenting arrangements shift, and Ontario's system generally allows a party to ask a court to change (or "vary") an existing support, parenting time, or decision-making order rather than live with terms that no longer fit their situation.

Until an order is formally changed by a court, or by consent filed with the court, it generally remains enforceable. This page covers both sides: how orders can generally be changed, and how they are generally enforced when one side does not comply.

The "Material Change in Circumstances" Test

Courts do not allow orders to be changed simply because one party is unhappy with the outcome. Under well-established Canadian family law principles, a party asking to change a final support, parenting time, or decision-making order generally needs to show a material change in circumstances since the order was made — a change that is significant and was not already known or accounted for when the order was made, not a minor or temporary shift.

Examples that can potentially qualify include:

• A substantial, lasting change in either party's income or employment
• A meaningful change in a child's needs, health, or living situation
• A change in the parenting arrangement actually being followed
• A parent's relocation to a different city, province, or country

Whether your situation meets this test depends on the facts and on what the original order was based on — a professional can help assess this before you file.

How to Ask for a Change: The Motion to Change Process

When both parties agree, a change can generally be filed with the court by consent, which is usually faster and simpler. When they do not agree, the party seeking the change generally needs to bring a motion to change under Ontario's Family Law Rules.

A motion to change is filed with the court responsible for the case, generally supported by documents explaining what has changed and what you are asking for, plus current financial information if support is involved. The other party can respond, and a contested motion generally proceeds through Ontario's regular motion process before a judge decides. See motions in family court for the general procedure. Professional guidance before filing is often worthwhile given the deadlines involved.

Changing Child Support

Child support is generally based on a payor's income, the number of children, and sometimes special expenses. When these change materially — most often a significant change in the payor's income — either party can generally ask for support to be recalculated through a motion to change, or sometimes a simpler administrative process. See changing child and spousal support for detail.

Changing Spousal Support

Spousal support can also generally be changed for a material change in circumstances, such as a significant income change, a new relationship, health issues, or the recipient becoming self-sufficient — courts generally look at whether the basis for the original order has genuinely shifted. See changing child and spousal support for more.

Changing Parenting Time or Decision-Making Responsibility

Parenting time and decision-making responsibility can also generally be changed through a motion to change, requiring a material change relevant to the child's best interests — for example, a child's changing needs, a parent's changed availability, new safety concerns, or a schedule that no longer matches what actually happens.

Relocation and Moving With a Child

Relocation has its own rules. Under the Divorce Act, a parent with parenting time or decision-making responsibility who plans a move that would significantly affect the child's relationship with the other parent generally must give advance written notice, including the new address and proposed date. The other parent generally has a limited window to object, and a valid objection generally means the move cannot proceed without an agreement or court order allowing it.

These rules were added by the March 2021 federal amendments, and set out factors a court must weigh in deciding whether a relocation is in a child's best interests, including the reasons for the move and its impact on the child. Relocation disputes move quickly, so prompt professional advice is generally worthwhile. See relocating with a child.

Enforcing Support Orders: The Family Responsibility Office

Support orders in Ontario are generally automatically filed with the Family Responsibility Office (FRO), the government agency responsible for collecting and enforcing child and spousal support (a filed separation agreement's support terms can generally be enforced the same way — see below). The FRO generally collects and forwards payments, and where payments are missed, can use enforcement tools without the recipient going back to court, including:

• Garnishing wages or bank accounts
• Suspending a payor's driver's licence
• Reporting arrears to credit bureaus
• Intercepting certain federal payments, such as tax refunds
• In some cases, steps affecting a payor's passport

For serious or repeated non-payment, a court can also become involved through a default hearing. See enforcing a support order for detail.

What Happens If Support Isn't Paid

Missed payments generally build arrears under the existing order, and the FRO can generally begin enforcement without the recipient filing anything new. Arrears do not disappear over time, and a payor generally cannot unilaterally reduce or stop payments because their circumstances changed — the correct path is a motion to change as soon as a genuine change occurs.

A court can sometimes adjust or forgive part of accumulated arrears, but this generally requires a motion and evidence explaining why — it is not something the FRO decides on its own.

Enforcing Parenting Time and Decision-Making Orders

Enforcement works differently here than for support. There is no agency equivalent to the FRO for parenting arrangements — its mandate is limited to support. When a parenting time or decision-making order is not being followed, the affected parent generally needs to return to the court that made the order.

A court dealing with non-compliance can consider responses depending on the seriousness involved, generally including make-up time, adjusting the schedule, costs against the non-compliant parent, or, in serious or repeated cases, other consequences under Ontario's rules — generally worth discussing with a professional first.

When a Parent Denies Court-Ordered Parenting Time

It is a common, difficult situation: parenting time is ordered, but not being followed. Ontario family law generally treats denied parenting time and unpaid support as separate legal issues, even though they often arise in the same relationship. A parent denied parenting time generally cannot lawfully respond by withholding support, and a parent not receiving support generally cannot lawfully respond by denying parenting time — either can create legal consequences of its own.

If parenting time is genuinely being denied without reasonable justification, the generally recommended approach is to document what has happened and bring the issue back to court. See when a parent denies parenting time.

Enforcing an Order Across Provinces or Internationally

Enforcement gets more complicated when the other party, a child, or assets are outside Ontario. Cross-provincial enforcement generally depends on reciprocal arrangements between Canadian jurisdictions, and international enforcement depends on whether that country has a relevant agreement with Canada. These arrangements vary and can be genuinely complex, so professional legal advice is generally strongly recommended.

One mechanism worth knowing about is the Hague Convention on the Civil Aspects of International Child Abduction, a treaty that can, for signatory countries, help arrange the return of a child wrongfully removed to, or kept in, another signatory country. It is specialized and treaty-based, focused on returning the child — it does not decide longer-term parenting questions. A child possibly taken abroad wrongfully is time-sensitive and generally calls for immediate professional help.

Can a Separation Agreement Be Enforced Like an Order?

Many couples resolve support, parenting, and property through a private separation agreement rather than a court order. On its own, an agreement is a contract, but Ontario law generally allows its support terms to be filed with the court, and once filed, they can generally be enforced by the FRO much like a court order — through the tools described above. Filing generally does not, by itself, convert the parenting or property terms the same way. See separation agreements for background.

A General Step-by-Step Pathway to Changing or Enforcing an Order

This is a general outline only; your own steps depend on whether you need a change, enforcement, or both.

1. Identify exactly what the current order or agreement says

   Both change and enforcement requests depend on precisely what was ordered.

2. Decide whether your issue is a change, an enforcement problem, or both

   Support, parenting time, and decision-making are generally handled through different processes.

3. For support enforcement, contact the Family Responsibility Office

   If the order or agreement is registered with the FRO, enforcement may already be available without a new application.

4. For a parenting time issue, document what has happened

   There is no administrative agency for this — you will generally need to show the court a pattern.

5. For a change request, assess whether you have a material change

   Consider what has genuinely shifted since the order was made, and whether it was already accounted for.

6. Try to agree on the change first, where possible

   A change by consent is generally faster and less costly than a contested motion.

7. If you cannot agree, prepare and file a motion to change

   Generally supported by an explanation of the change and current financial information.

8. Get professional advice for relocation or cross-border issues

   These situations generally move quickly and involve specialized rules.

9. Keep following the existing order while your request is pending

   An order generally stays enforceable until actually changed by a court or filed consent.

Frequently Asked Questions