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№ 20 Case Study — Family Law

A Kanata Grandfather Gets Ahead of a Support Recalculation

Antonio has raised his granddaughter Zofia for three years under a support order tied to her mother's landscaping income. When Agnieszka changed jobs mid-season, he came in before the number went wrong instead of after.

Family Law7 min readKanata, OntarioChild support basics
All Family Law case studies
ClientAntonio, a landscaper in Kanata raising his granddaughter Zofia under a custody order
The issueA paying parent's income changed mid-year, and the existing support order no longer matched it
ServiceChild Support Guidelines table recalculation and a consent order to vary support
ResolutionThe order was corrected before any payment fell out of step or arrears had a chance to build

The situation

Antonio runs a small landscaping crew in Kanata and has been the primary parent to his granddaughter Zofia, now nine, for three years. Zofia's parents separated when she was a toddler, and by the time she was six, neither was in a position to care for her day to day. Antonio applied for and received decision-making responsibility and parenting time under the Children's Law Reform Act, the Ontario statute that governs custody and parenting arrangements outside of a divorce. Zofia's mother, Agnieszka, also works in landscaping, running her own small residential crew, and pays Antonio child support under a court order based on the Child Support Guidelines table amount for her income.

The arrangement had worked reasonably well. Agnieszka saw Zofia on alternating weekends and paid support by direct deposit on the first of each month. The order set support at roughly $430 a month, calculated a few years earlier against an income of about $47,000. Landscaping income in the Ottawa area runs seasonally — busy from spring through fall, thinner in winter — and Agnieszka's order had always assumed a rough annual average rather than tracking each month's ups and downs, which is how the guidelines are meant to work for self-employed and seasonal earners.

In late summer, Agnieszka mentioned to Antonio, in passing during a pickup, that she had folded her small crew into a larger landscaping operation and would be working as an employee going forward instead of running her own jobs. She framed it as good news — steadier hours, less overhead, less risk in a slow winter. Antonio didn't have a strong reaction in the moment. But he had learned enough over three years of receiving support to know that a change in how someone earns money is often a change in how much support is calculated, and he wanted to know before the next payment came in, not after.

What a job change actually does to a support order

Antonio called Treadstone Law within the week, not because anything had gone wrong yet, but because he suspected something was about to. That instinct turned out to be correct, for reasons that had little to do with Agnieszka's intentions and everything to do with how the guideline table works.

The existing order fixed support at a flat monthly amount, calculated against Agnieszka's income from three years earlier when she ran her own crew. Self-employed landscaping income is typically reported net of business expenses — fuel, equipment, subcontracted labour — and that net figure is what the guideline table amount was built on. As an employee of a larger operation, Agnieszka's income would now show up differently: a T4 slip with gross employment income and no business deductions to net it down. Even at a similar take-home pay, the number that actually gets plugged into the guideline table could shift meaningfully in either direction, and neither Antonio nor Agnieszka had any way to know which direction without running the calculation.

There was a second issue sitting underneath the first. Support orders based on self-employment income are often reviewed annually against a fresh tax return, precisely because that income moves around. Antonio's order had gone three years without a formal review, which meant it had already drifted somewhat out of step with reality even before the job change — Agnieszka's crew had picked up more clients in the two years before she folded it into the larger company, and her actual income had likely climbed above the $47,000 the order was still built on. The job change didn't create a problem so much as force a question that should have been asked sooner.

The real risk Antonio was trying to head off was informal drift. If he and Agnieszka simply agreed between themselves — over a pickup conversation, without paperwork — to adjust the monthly amount up or down based on a guess about her new pay, that arrangement would have no legal force. The written order would still say $430, and if Agnieszka later fell behind or Antonio wanted to enforce the original figure, the informal understanding wouldn't hold up. Worse, if Agnieszka started paying a different amount without a corrected order in place and later stopped, the Family Responsibility Office — the provincial body that enforces support orders and can garnish wages or suspend a driver's licence for missed payments — would only ever look at the number written into the order, not whatever the two of them had privately agreed to instead.

What we did

  1. Requested current income documentation from Agnieszka. Rather than guessing at what the new employment arrangement would pay, we asked for her employment offer letter, her first few pay stubs, and her prior year's tax return, so the recalculation rested on actual numbers instead of a verbal estimate from a pickup conversation.
  2. Ran the guideline table calculation against the new income. Agnieszka's new position paid a gross annual salary of about $54,000, higher than the $47,000 her order had been based on, since the larger company offered steadier year-round hours than her own seasonal crew had. Under the Child Support Guidelines table for one child, that pushed the correct monthly support figure to roughly $490 — about $60 a month more than the existing order specified.
  3. Confirmed the change wasn't going to be contested. We contacted Agnieszka directly to explain what the recalculation showed and why the shift happened. She agreed with the numbers once she saw them and had no interest in a dispute — she had genuinely believed the new job would be neutral or better for Zofia, not a reason for friction.
  4. Prepared a consent order to vary the existing support order. Because both parties agreed on the new figure, we avoided a contested motion to change and instead prepared a consent order — a document both parties sign confirming the new amount, which is then filed with the Superior Court and takes the place of the original order without a hearing.
  5. Built in a scheduled annual review going forward. To prevent the same three-year drift from happening again, the new order calls for both parties to exchange income information each spring and revisit the table amount, rather than letting the figure sit untouched until the next disruption forces the question.
  6. Filed the varied order with the Family Responsibility Office. Once filed, the corrected $490 monthly figure became the enforceable amount on record, so there was never a window where the written order and the actual payment amount disagreed with each other.

The outcome

The corrected order took effect before Agnieszka's first pay cycle under her new employer, and support began arriving at the new $490 figure without a single payment made at the wrong amount. No arrears accumulated, no enforcement action was ever triggered, and there was no gap between what Agnieszka believed she should be paying and what the Family Responsibility Office had on file as the legal obligation.

That outcome is easy to undervalue precisely because nothing dramatic happened. Had Antonio waited — or had he and Agnieszka simply agreed informally to a new number over a weekend handoff — the written order would have kept saying $430 while the real arrangement drifted somewhere else entirely. If that gap had gone unnoticed for a year or two, correcting it later would have meant reconstructing exactly when the income change happened, whether Agnieszka had underpaid or overpaid relative to the guideline figure in the meantime, and potentially arguing over a retroactive adjustment that neither side had documentation for. None of that was necessary here, because the order was corrected at the moment the underlying facts changed rather than months or years afterward.

The annual review clause is the part most likely to matter over the coming years. Zofia is nine, and Antonio expects to be her primary caregiver for at least another decade. Landscaping income in the region will keep moving with the seasons and with whatever employer or self-employment arrangement Agnieszka settles into next. A support order that only gets revisited when something forces the question is an order that spends most of its life slightly wrong. One that gets checked on a fixed schedule, against real income documentation, stays accurate by design rather than by luck.

Antonio's overall cost for the recalculation and consent order was modest, and there was no delay in Zofia's household budget while it was sorted out — the kind of clean result that's only possible when the review happens before a mismatch has time to become a debt.

What you can learn from this

  • A child support order based on a fixed monthly figure can go out of step with reality the moment the paying parent's income changes — a new job, not just a raise or a layoff, is enough to trigger a recalculation.
  • Self-employment income and employment income aren't calculated the same way under the Child Support Guidelines; net business income and gross salary can produce different table amounts even at similar take-home pay.
  • An informal agreement to adjust support outside the written order has no legal weight — the Family Responsibility Office enforces the figure on file, not a private understanding between parents.
  • Support orders tied to variable or seasonal income benefit from a scheduled annual review, so the table amount is checked against a current tax return or pay stub instead of drifting for years unnoticed.
  • Raising a potential change early, before a payment is missed or a number quietly shifts, usually costs far less time and money than correcting arrears or a dispute after the fact.
This case study is entirely fictional. It does not describe any real client, file, or matter handled by Treadstone Law, and it is not a real file with details changed. All names, people, properties, businesses, dollar amounts, dates, and events are invented, and any resemblance to a real person, business, or situation is coincidental. Fictional scenarios like this one illustrate the kinds of legal issues people in Ontario commonly face and how a lawyer can help. They are general information, not legal advice — no two matters unfold the same way, and nothing here predicts the outcome of any real case. Reading a case study does not create a lawyer-client relationship. If you are facing something similar, speak with a lawyer about your specific circumstances.

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