TREADSTONE LAW · ONTARIO · DIGITAL LEGAL SERVICES · EST. MMXXI ·TSL
№ 90 Case Study — Tax

Beating a New Housing Rebate Clawback in North York

A North York couple who bought a new home while renting out their old one saw the Canada Revenue Agency try to claw back their GST/HST new housing rebate. Occupancy evidence turned the assessment around.

Tax6 min readNorth York, OntarioNew housing rebates
All Tax case studies
ClientMinh & Quang, a North York couple who bought a new home while keeping their old one as a rental
The issueCRA moved to claw back their GST/HST new housing rebate
ServiceNew housing rebate audit defence
ResolutionCRA reversed the assessment after reviewing occupancy evidence

The situation

Minh worked as a call-centre representative and her partner Quang worked as a bookkeeper. Together they owned a small townhouse in North York that had been their first home. When they outgrew it, they bought a newly built condominium nearby, moved in, and kept the townhouse as a rental property, leasing it to a tenant named Etienne.

When they closed on the new condominium, they claimed the GST/HST new housing rebate, a program that returns part of the sales tax paid on a newly constructed or substantially renovated home when the buyer or a close relative intends to use it as their primary place of residence. The rebate is set out in the Excise Tax Act and is one of the more heavily audited credits the Canada Revenue Agency (CRA) administers, precisely because eligibility turns on intention and actual use rather than anything visible on the sale documents. Minh and Quang received their rebate of roughly $6,300 within a few months of filing and did not think about it again until a letter arrived from the CRA about a year later.

Neither of them had handled a tax dispute before, and the couple's first instinct was to write back to the auditor themselves and explain the situation in a phone call. That instinct is understandable but risky: a verbal explanation, however honest, creates no record the CRA is bound to consider, and it does nothing to protect the strict deadlines that apply once a formal reassessment is on the table. By the time they called Treadstone Law, the clock on their objection window was already running.

The clawback notice

The letter opened an audit into the rebate. The CRA's concern was straightforward: its records showed the couple owned a second residential property nearby, and the auditor's working theory was that the new condominium might actually be the rental unit, with the couple continuing to live in the older, larger townhouse. Under that reading, the condominium would not have been acquired as a primary residence, and the rebate would have to be repaid in full, with arrears interest added for the period since it was issued.

This is a common pattern in new housing rebate audits. The CRA cross-references land registry data against rebate claims, and any applicant who owns more than one residential property in the same area gets a second look. The audit does not accuse anyone of dishonesty; it simply shifts the burden onto the taxpayer to show which property was actually the family home and which was the investment. Minh and Quang had done nothing wrong, but on paper, two similarly located properties owned by the same couple looked exactly like the fact pattern the CRA is trained to flag.

The total amount at stake, once the rebate itself and the interest that had accrued were added together, came to a little under $9,000. That is not a sum that threatens a family's finances the way a much larger reassessment would, but for a household living on two modest salaries, an unexpected bill of that size was still a serious problem, and the CRA's letter gave them a firm deadline to respond with supporting evidence or accept the reassessment.

What we did

  1. Mapped the occupancy timeline first. Before responding to the CRA, we asked Minh and Quang to reconstruct, month by month, where each of them had actually slept, received mail, and paid utilities since the condominium closed. This timeline became the backbone of everything that followed, because the CRA's assessment rests on a single question: which property was the primary residence.
  2. Assembled documentary occupancy evidence. We gathered driver's licence address changes, utility and internet account records for the condominium, home insurance showing it insured as an owner-occupied unit rather than a rental, and voter registration and mail redirection records, all dated from shortly after closing. Each piece on its own proves little; together, a consistent paper trail across independent sources is difficult for an auditor to dismiss.
  3. Obtained a signed statement and lease from the tenant. Etienne, who had moved into the townhouse shortly after the couple relocated, provided a short written statement confirming when his tenancy began, along with a copy of his lease and proof of the rent he paid by e-transfer. This was the single most persuasive document in the file, because it independently confirmed, from someone with no stake in the rebate dispute, that the townhouse — not the condominium — was the rental.
  4. Filed a formal objection rather than an informal reply. Once an assessment has been issued, a taxpayer who disagrees needs to file a notice of objection within the deadline stated on the notice, not simply write back to the auditor. We prepared the objection, attached the evidence as structured exhibits with a short covering explanation, and made sure it reached the CRA's appeals division before the deadline passed, preserving Minh and Quang's right to have the matter reconsidered.
  5. Addressed the CRA's specific theory directly. Rather than submitting a general packet of documents, we wrote the covering letter to answer the auditor's stated concern point by point: why the couple owned two properties, when each transition happened, and why the timeline was consistent with a family upgrading its home rather than operating an undisclosed rental in the new unit.

The outcome

The appeals officer reviewing the objection accepted the evidence without requiring a hearing. Several months after the objection was filed, the CRA issued a reassessment vacating the clawback: Minh and Quang kept the full rebate, and the arrears interest that had been building on the disputed amount was cancelled along with it. No repayment was ever made.

The case did not turn on a technicality or an aggressive legal argument. It turned on the fact that Minh and Quang's actual living arrangements were exactly what they claimed, and that this could be shown through records that existed independently of the dispute — records they had generated in the ordinary course of moving house, not documents created after the fact to satisfy an audit. That distinction matters enormously to a reviewing officer. Evidence assembled for the sole purpose of winning a dispute reads very differently from evidence that already existed before the dispute began.

The couple's total exposure, had the assessment stood, would have been the roughly $6,300 rebate plus close to $2,700 in accumulated interest — an amount that fell within the range the CRA can pursue through standard collection action if left unpaid, including applying future tax refunds against the balance. Because the file was resolved at the objection stage, none of that collection process was ever triggered.

What made the difference in this file was timing as much as evidence. Minh and Quang still had access to nearly all of the records that mattered, because barely a year had passed since they moved. Utility providers and insurers generally keep account history available for a limited period, mail redirection confirmations expire, and memories of exact dates fade quickly. A family facing the same audit two or three years after the move might have struggled to reconstruct a timeline this clean, even with an identical set of facts. Acting promptly once the audit letter arrived, rather than waiting to see if the CRA would simply drop the matter, preserved evidence that would only have gotten harder to gather.

What you can learn from this

  • Owning a second residential property does not disqualify you from the new housing rebate, but it does make an audit far more likely — expect the CRA to ask for proof of where you actually lived.
  • Keep the paper trail that proves occupancy as it is created: address changes, utility accounts, and insurance policies dated close to your move are far more persuasive than anything assembled after a dispute starts.
  • A tenant's own lease and rent records can be some of the strongest evidence in a rebate audit, because they come from someone with no personal stake in the outcome.
  • If a rebate is reassessed, the deadline to file a formal notice of objection is strict — a phone call or informal letter to the auditor does not preserve your right to appeal.
  • Responding to the CRA's stated concern directly, rather than sending a general bundle of documents, gives a reviewing officer a clear path to reverse an assessment without a hearing.
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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