What If the Other Parent Won't Pay Child Support?

You Have Options When Support Isn't Paid

If the other parent has stopped paying child support, or never really started, it can feel like the rug has been pulled out from under you at the worst possible time. Bills do not pause because a payment is late, and the stress of wondering whether the next payment will arrive at all can be exhausting on top of everything else that comes with separating. It helps to know, right away, that this is a common and generally solvable problem, not a dead end.

Ontario's family law system generally treats non-payment of child support as a serious matter with real tools available to address it, not simply a private disagreement between two parents that has to be worked out informally or endured. This page walks through, in plain language, why a support order or agreement generally still means something even when it is being ignored, what role the province's Family Responsibility Office generally plays, the general kinds of enforcement tools that can come into play, and what can generally be done about support that should have been paid in the past but wasn't.

None of this is meant to replace advice tailored to your specific situation, and it deliberately does not walk through court forms or step-by-step procedures — that level of detail lives in our fuller guides to enforcing a support order and retroactive child support. The goal here is simply to give you a clear, honest sense of the landscape before you decide what to do next.

Is the Order or Agreement Actually Enforceable?

A natural first worry, especially for a parent who has never had to enforce anything before, is whether a piece of paper — a court order, or a written agreement — really carries any weight if the other parent simply decides to ignore it. Generally, yes. A court order for child support is a court order like any other, and it does not lose its force simply because the paying parent is unhappy with it or has decided, on their own, that they should not have to comply.

A written separation agreement works a little differently. On its own, an agreement is generally treated as a contract between two people rather than something a government agency can step in and enforce directly. Once its support terms have been properly filed with the court, however, it can generally be enforced in much the same general way as a court order. That filing step matters, and it is covered in more detail in enforcing a support order.

The broader point worth holding onto is this: child support is generally understood as belonging to the child, not as a favour one parent is doing for the other. Because of that, non-payment is not treated as a minor lapse to be shrugged off — it is generally treated as a real problem that the system has real, if not unlimited, tools to address.

The Role of Ontario's Family Responsibility Office

Ontario's Family Responsibility Office (FRO) is the provincial government agency generally responsible for collecting and enforcing child and spousal support once a support order, or an eligible agreement that has been filed with the court, is registered with it. In general terms, FRO sits in between the two parents: it generally receives payments from the paying parent and forwards them to the receiving parent, and when payments fall behind, it generally has the ability to step in and pursue what is owed.

A support order made by an Ontario court is generally filed with FRO automatically as part of the court process, so a receiving parent generally does not need to take a separate step to have a fresh order registered. If you are not sure whether your own order or agreement is currently on file, confirming that directly with FRO is generally the fastest way to find out, and it is a reasonable first move before assuming nothing can be done.

It is worth being upfront that FRO's role is generally about collecting and enforcing an amount that has already been set — by a court order, or by an agreement filed with the court — rather than deciding in the first place how much support should be paid, or resolving other disagreements such as parenting time. For the fuller explanation of how FRO generally works, including registration and what happens once a case is active, see our complete guide to enforcing a support order.

Many parents only think about FRO once something has already gone wrong, but its involvement generally applies to a support file from the moment it is registered, not just from the point payments stop. In practice this means a receiving parent generally does not have to personally chase down a missed payment, track down the other parent's employer, or figure out enforcement steps alone — FRO generally exists precisely to take that burden off an individual parent and handle it through an established process instead.

General Enforcement Tools That Can Be Available

Once a case is on file, FRO generally has a range of tools available to pursue support that has fallen behind, though which of these actually gets used, and when, generally depends on the amount owing and the paying parent's individual circumstances. In broad terms, tools that can generally be available include things like:

• Garnishing income: support can generally be deducted directly from a paying parent's wages or certain other income before it reaches them.
• Garnishing bank accounts: funds can generally be redirected from a payor's bank account toward support that is owing.
• Reporting to credit bureaus: significant arrears can generally be reported, which can affect a paying parent's credit standing.
• Suspending a driver's licence: for meaningful arrears, a driving licence suspension can generally be sought.
• Other federal or provincial measures: depending on the circumstances, further steps, including those involving federal cooperation, can generally become available for more serious or persistent non-payment.

This is a general, illustrative list rather than a guarantee of what will happen in any particular case, and it deliberately does not describe exact procedures, timelines, or thresholds, since those details can change and depend heavily on the specifics of a file. For the fuller and more detailed treatment of these tools, including how escalation generally works and what a default hearing generally involves, see enforcing a support order.

The reassuring takeaway is simply that a paying parent who ignores a support obligation is generally not just getting away with it by default. There is a system, with real consequences attached, built specifically to respond when support is not being paid.

What If Nothing Was Ever Filed?

Some parents reach an informal understanding about support without ever putting it in writing, or without ever filing a written agreement with the court. If that describes your situation and the other parent has stopped paying, it can feel like you have even less to work with — but that is generally not the end of the story.

A written agreement can generally still be filed with the court after the fact, which generally opens the door to the same kinds of enforcement tools described above. Where parents cannot agree at all, either parent can generally ask a family court to address support directly. Neither path is instant, and both generally benefit from professional input, but "we never had anything in writing" is generally a starting point to fix, not a permanent dead end.

Getting something in writing, and generally filed, sooner rather than later tends to make a real difference if payments become a problem again later — it is much easier to rely on enforcement tools when there is already a clear, filed record of what was agreed.

Can You Recover Support That Wasn't Paid?

A common and understandable worry is that months, or even years, of missed or reduced support are simply gone once the moment has passed. Generally, that is not quite right, and there are two related but distinct ideas worth separating.

First, if an amount was already fixed by an order or a filed agreement and simply was not paid, that unpaid amount generally continues to be owed as arrears — it does not disappear on its own, and it generally remains something that can be pursued through the enforcement tools described above.

Second, in some situations a parent can seek what is generally called retroactive child support — support covering a past period during which the amount actually paid was lower than it should have been, often because the paying parent's income changed without the support amount being updated to reflect it. Whether a retroactive award is appropriate, and how far back it might reach, generally depends on the specific circumstances and is ultimately for a court to decide; it is not automatic. For a full explanation of how this generally works, including the factors courts generally weigh, see retroactive child support.

Practical Steps You Can Take

If you are dealing with unpaid support right now, a few general, practical steps tend to be useful regardless of the specifics of your situation:

• Keep clear, dated records of what has been paid, and what has not, rather than relying on memory.
• Confirm whether your order or agreement is currently on file with FRO, and if you are unsure, ask directly rather than assuming.
• If your arrangement was never put in writing or filed, look into getting it filed, or into starting a family court application if the other parent will not cooperate.
• Avoid informally agreeing to "let it slide" without addressing it in writing, since an unaddressed shortfall can affect what is later recoverable.
• Resist the urge to respond by withholding parenting time — support and parenting time are generally treated as separate issues, and mixing the two can generally create its own problems.

None of these steps require you to have everything figured out at once. Confirming your file status with FRO, or gathering your payment records, is often a reasonable and manageable first move even while you are still deciding what else to do.

It can also help to separate the emotional side of non-payment from the practical side, even though that is genuinely difficult when a missed payment affects your ability to cover rent, groceries, or a child's activities. Documenting what is owed and confirming your options is generally a more productive use of energy than repeated informal confrontations with the other parent, which often do not change the outcome and can add unnecessary conflict on top of an already stressful situation.

When to Get Professional Help

It is generally worth talking to a qualified professional, such as a family law lawyer or paralegal, once informal reminders to the other parent have not worked, once you are unsure whether your order or agreement is properly on file, once a meaningful amount of arrears has built up, or if you are considering a claim for support covering a past period. These situations tend to be more fact-specific than they first appear, and professional input can generally help you understand which of the options above actually fits your circumstances.

If your situation involves family violence or you are worried about your safety or a child's safety, that concern comes first — see our Urgent Help & Safety page before anything else. Otherwise, the consultation form below is a straightforward way to start a conversation with an Ontario family lawyer about unpaid support.

Frequently Asked Questions