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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Wills & Estate Planning Ontario » Probate & Trust Administration Ontario » Timeline for Filing a Terminal Tax Return for a Deceased Person in Ontario

Timeline for Filing a Terminal Tax Return for a Deceased Person in Ontario

11 Jun 2026 5 min read No comments Probate & Trust Administration Ontario
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In Ontario, the deadline to file a deceased person’s final T1 Terminal Tax Return with the CRA depends strictly on their date of death. If they passed away between January 1 and October 31, the return is due by April 30 of the following year. If they died between November 1 and December 31, the return is due exactly six (6) months after the date of death.

When an individual passes away in Ontario, their legal obligations to the Canada Revenue Agency (CRA) do not die with them. Whether the deceased lived in a sprawling estate in Mississauga or a modest apartment in Sudbury, the estate trustee (executor) must file a final income tax return, known legally as the T1 Terminal Return. Filing this document accurately and on time is one of the executor’s most crucial statutory duties.

Missing CRA deadlines can be financially devastating for the estate and, potentially, for the executor personally. ⚠️ Late filing triggers immediate financial penalties and accumulates daily interest, slowly draining the inheritance meant for the beneficiaries. Because death often triggers complex “deemed disposition” rules regarding real estate and investments, you must understand the exact timelines required to gather the data and file successfully.

Step-by-Step Process to File the Terminal Return in Ontario

Handling the taxes of a deceased person is highly technical. Most executors in Ontario choose to hire a Chartered Professional Accountant (CPA) to navigate the following steps to ensure compliance and minimize the final tax burden.

Step 1: Notify the CRA of the Death

Before you can file anything, you must stop any ongoing government benefit payments (like OAS, CPP, or GST/HST credits) to prevent overpayments that the estate will have to return. You must call the CRA and Service Canada immediately, or mail them a copy of the death certificate and the Last Will and Testament to register yourself as the legal representative.

Step 2: Gather All Income Slips

You must locate all T4s, T5s, pension slips, and investment statements. 📄 If the deceased was disorganized, this can take months. As the legal representative, you can request access to their CRA “My Account” to pull historical tax data and track down missing slips issued by Ontario employers or banks.

Step 3: Calculate the “Deemed Disposition”

This is the most critical and complex step. Under Canadian tax law, when a person dies, they are “deemed” to have sold all their capital property (like stocks, mutual funds, and cottages) at Fair Market Value on the exact second before death. This can trigger massive capital gains taxes. Only property rolling over to a surviving spouse is generally exempt from this immediate tax hit.

Step 4: File the T1 Terminal Return

Using the gathered income slips and the calculated capital gains, your accountant will prepare the final T1 Terminal Return. This return covers all income earned from January 1st of the year of death up until the exact date of death. It must be filed by the strict deadlines outlined below.

Step 5: Consider Optional Returns (Rights or Things)

A smart accountant might recommend filing a separate, optional return called a “Rights or Things” return. This allows you to split certain types of income (like declared but unpaid dividends or uncashed paycheques) across two separate tax returns, utilizing the basic personal amount twice and significantly lowering the estate’s overall tax bill.

Step 6: Request the Clearance Certificate

Once the Terminal Return is assessed and the taxes are fully paid, you must submit a Form TX19 to request a Clearance Certificate. This document proves the deceased owes the CRA absolutely nothing, allowing you to finally distribute the inheritance to the beneficiaries without personal liability.

How Much Does It Cost in Ontario?

Taxes are inevitable, but professional help ensures you do not overpay the government. The costs for filing these returns are paid directly from the estate’s funds, not your own pocket.

  • CPA / Accountant Fees: Preparing a complex Terminal Return and applying for the Clearance Certificate typically costs $1,500 to $3,500 CAD depending on the investments involved.
  • CRA Late Penalties: If you miss the filing deadline, the CRA instantly charges a 5% penalty on the unpaid tax balance, plus an additional 1% per full month the return is late.
  • Outstanding Balances: The estate must pay whatever taxes are owed by the same deadline the return is due, otherwise prescribed daily interest rates will apply.

Timelines for CRA Filings

The federal rules are strict. Mark these dates on your calendar the moment you assume the role of executor. 🕘

Date of Death WindowCRA Filing and Payment Deadline
Between January 1 and October 31April 30 of the following calendar year.
Between November 1 and December 31Exactly 6 months after the date of death.
Rights or Things ReturnDue the later of: The Terminal Return deadline, OR 90 days after the CRA issues the Notice of Assessment.

Frequently Asked Questions (FAQ)

What if the deceased hadn’t filed taxes for the last 3 years?

If the deceased had unfiled tax returns from previous years, the executor is legally responsible for catching them up. You must file all outstanding prior-year returns before you can properly file the T1 Terminal Return and apply for the Clearance Certificate.

Does the estate have to pay tax on the primary residence?

Generally, no. In Canada, the Principal Residence Exemption shields the primary home from capital gains tax upon death. However, if the deceased owned a second property, like a cottage in Muskoka or an investment condo in Toronto, the estate will owe capital gains tax on the appreciation of that second property.

What if there isn’t enough cash in the estate to pay the CRA?

If the estate is “asset rich but cash poor” (e.g., they owned a house but had empty bank accounts), the executor must sell the assets (like the house) to generate the cash needed to pay the CRA. The CRA and secured creditors always get paid before any beneficiaries receive a dime.

Can I file the Terminal Return online?

Yes, if you use a professional tax preparer, they can E-file the return. However, if you are doing it yourself, you often have to print and mail a paper return to the CRA, as the deceased’s online “My Account” access is usually locked shortly after their death is reported.

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