- A clearance certificate is a document issued by the Canada Revenue Agency confirming that a non-resident seller has paid, or secured, the Canadian tax owed on the gain from a property sale.
- The withholding percentage is set by the Income Tax Act and CRA administrative rules.
- The clearance certificate process has five stages: Stage 1: Decide to Sell and Engage Professionals As soon as you decide to list the property, engage a Canadian tax advisor (a CPA or…
If you own Ontario real estate but live outside Canada and are planning to sell, the CRA clearance certificate process is the most time-sensitive legal step you will face. It is not a formality — it is a formal tax compliance mechanism, processing times are measured in months, and if your clearance certificate has not arrived by your closing date, a portion of your sale proceeds stays in your lawyer's trust account until it does.
This article is a practical guide to the clearance certificate: what it is, what triggers it, how the process works, what causes delays, and how to plan your sale timeline to minimize the risk of a long post-closing holdback.
Tax rules and CRA processing times change. All timelines and procedures described here are as of writing. Confirm the current rules with the CRA and a Canadian tax advisor before you list your property.
What Is a Clearance Certificate?
A clearance certificate is a document issued by the Canada Revenue Agency confirming that a non-resident seller has paid, or secured, the Canadian tax owed on the gain from a property sale. Under the Income Tax Act, a buyer purchasing from a non-resident is required to withhold a percentage of the purchase price and remit it to the CRA. The seller cannot receive that withheld amount until CRA issues the certificate.
The certificate is not a tax receipt. It is CRA's signal to the buyer's lawyer that the holdback can now be released to the seller.
How Much Is Withheld?
The withholding percentage is set by the Income Tax Act and CRA administrative rules. As of writing, withholding for non-depreciable property (e.g., a personal-use condo or house) is a percentage of the gross purchase price, and a higher rate applies to depreciable property (e.g., rental buildings). Because withholding is calculated on the gross price — not your profit — a seller with a large mortgage or high original cost base may find that the withheld amount is far larger than any actual tax that will be owed.
Verify current withholding rates with the CRA or a Canadian tax advisor. These have been stable in recent years but can change.
The Timeline in Practice
The clearance certificate process has five stages:
Stage 1: Decide to Sell and Engage Professionals
As soon as you decide to list the property, engage a Canadian tax advisor (a CPA or tax lawyer familiar with non-resident property dispositions) and a real estate lawyer. Do not wait until you have an accepted offer.
Stage 2: Calculate the Adjusted Cost Base (ACB)
Your tax advisor needs to calculate the ACB — roughly, the amount you paid for the property plus capital improvements you made over the years. The ACB determines the estimated capital gain, which in turn determines how much tax CRA will expect to be paid or secured. This calculation requires your original purchase documents, records of any improvements (receipts), and information about any depreciation claimed if it was a rental property.
A missing or incomplete ACB calculation delays everything that follows.
Stage 3: File the CRA Notification and Clearance Certificate Application
The Income Tax Act requires you to notify the CRA of the disposition. The notification must generally be filed on or before a prescribed date related to the closing — verify the current deadline. After notification, you submit a formal application for the clearance certificate, including your estimated gain, the calculated tax, and payment or security for the tax owed.
Stage 4: CRA Reviews and Issues (or Queries)
CRA reviews the file and either:
- Issues the certificate (best case)
- Requests additional information or documentation
- Disputes your ACB calculation and demands additional tax or security
CRA processing times for clearance certificates have historically ranged from several months to over a year in some cases. This is not a guarantee of how long your specific file will take, but it is the range sellers should plan for.
Stage 5: Release of Holdback
Once your lawyer receives the certificate, they release the withheld funds to you, less any actual remittance already made to CRA. If you have been waiting post-closing, this is the moment you finally receive the balance of your proceeds.
What Causes Delays?
Based on common patterns in non-resident property sales, delays typically arise from:
- Incomplete ACB documentation: Missing renovation receipts, purchase records from years ago, or unclear ownership history
- Late notification to CRA: Filing after the required notification deadline
- CRA workload: Processing volume at the non-resident withholding unit
- Incomplete applications: Applications missing information or signatures
- CRA reassessment of the ACB: If CRA disputes your numbers, they will not issue the certificate until the tax is settled
The single most effective way to speed up the process is to start early and submit a complete, accurate application the first time.
The Buyer's Obligation — and Exposure
Buyers purchasing from non-residents face their own obligation: if they fail to withhold the required amount and remit it to CRA, they can be personally assessed for the non-resident's unpaid Canadian tax. This is why buyers' lawyers routinely ask for statutory declarations about the seller's residency status, sometimes delay closing if documentation is unclear, and keep a very close eye on this issue.
Non-resident sellers should anticipate more documentation requests from the buyer's side than a typical domestic transaction involves.
Setting a Closing Date as a Non-Resident
Given the processing times involved, consider the following when setting your closing date:
- Start the clearance certificate process before you accept an offer if possible
- Build a longer closing period into any agreement — a 90-day or longer closing is not unusual in non-resident sale transactions
- Understand that a post-closing holdback is normal — it does not mean something went wrong; it means CRA has not finished processing
- Keep your Canadian tax advisor looped in throughout so the file moves quickly if CRA requests additional information
Frequently asked questions
Can I close my sale before CRA issues the clearance certificate?
Yes. The sale can close, but the withheld amount stays in your lawyer's trust account. You receive the balance of the proceeds at closing — just not the withheld portion. The holdback is released once the certificate arrives.
What if I overpaid in the original withholding?
If the actual tax owed (calculated in your non-resident tax return for the year of the sale) is less than the amount withheld, CRA refunds the difference after you file your return. This is common when the gain is smaller than what the gross-price withholding approximated.
I am a non-resident who has been renting out the property. Is there anything extra?
Yes. Rental property involves depreciation (Capital Cost Allowance) which CRA may recapture on sale, a separate tax calculation from the capital gain. The ACB calculation for depreciable property is also more complex. Engage a tax advisor specifically experienced in rental property dispositions by non-residents.
My property sold two years ago. I still have not filed anything. What do I do?
File immediately. Late notification carries penalties and the failure to apply for a clearance certificate means the buyer's lawyer may still be holding funds in trust — or the buyer may have been assessed by CRA for the withholding they failed to make. Get legal and tax advice right away.
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