October 7, 2025

The Final Tax Return in Ontario: An Executor's Guide to the Terminal Return

The terminal T1 return in Ontario explained for executors: who files it, the filing deadline, what income and the deemed disposition go on it, plus clearance.

When someone dies, one of the executor's most important jobs is filing a final tax return for the person who passed away. In Ontario, and across Canada, this is often called the terminal return - and getting it right protects both you and the estate.

What Is the Terminal Return (T1)?

The terminal return, also called the final return or the T1 terminal return, is the last personal income tax return filed in the name of the person who died. It covers the period from January 1 of the year of death up to the date of death. The word terminal simply means final - it is the return that closes out the deceased's personal taxes.

The T1 is the same form ordinary Canadians file every spring. The difference is that it is filed on behalf of someone who has died. In Ontario, the person legally responsible for the estate is called the estate trustee, though most people still say executor.

Who Files It?

Filing the final return is the executor's responsibility. If you are the estate trustee, you sign and file the return, arrange payment of any tax owing from the estate, and keep the records. Many executors hire an accountant to prepare it, especially when there are investments, a business, or property involved. You do not have to do the math yourself, but you are responsible for making sure it gets done.

When Is the Final Return Due?

The deadline for the final return depends on when the person died. There are two scenarios, and it helps to know which one applies to you.

Death Between January 1 and October 31

If the person died between January 1 and October 31, the final return is generally due by April 30 of the following year - the same familiar April 30 deadline most people already know.

Death Between November 1 and December 31

If the person died later in the year, between November 1 and December 31, you get more time: the final return is generally due six months after the date of death.

One more wrinkle: if the deceased or their spouse or common-law partner ran a business, the filing deadline can extend to June 15. Payment deadlines can differ from filing deadlines, so it is wise to confirm the exact dates with the CRA or an accountant - interest can build on unpaid tax even before a return is due.

What Income Goes on the Final Return?

The final return reports the deceased's income from January 1 of the year of death up to the date of death. Think of it as capturing everything they earned in their last partial year of life.

• Employment income, pension payments, and government benefits received up to the date of death
• Interest, dividends, and other investment income earned before death
• Any business or rental income up to the date of death
• The deemed disposition of capital property, explained below

The Deemed Disposition

This next part catches many families off guard. For tax purposes, the law treats the person as having sold all their capital property - things like a cottage, investments, or a rental property - at fair market value (what it would sell for on the open market) immediately before death. This is called the deemed disposition. Nothing is actually sold, but any gain in value is reported as if it were.

If those assets grew in value, the result is a capital gain. As a long-standing general rule, one-half of a capital gain is taxable and gets added to the final return - but this taxable share, called the inclusion rate, can change, so confirm the current rate with an accountant. There is a bright spot, though: a person's principal residence, usually the family home, is generally exempt, so it typically does not create a capital gain.

Optional Separate Returns That Can Save Tax

Most estates file a single terminal return. But in some cases, the CRA allows an executor to file one or more optional separate returns for certain kinds of income. Splitting income across more than one return can lower the overall tax bill, because each return can claim certain credits and use the lower tax brackets again.

One example you may hear an accountant mention is a return for rights or things. At a high level, rights or things are amounts the person had earned or was owed at death but had not yet received - such as certain unpaid salary, vacation pay, or declared but unpaid dividends. Reporting these on a separate optional return can sometimes reduce tax.

You do not need to understand the fine print. What matters is knowing these options exist, and asking an accountant whether the estate could benefit. On a larger or more complex estate, the savings can be meaningful.

Credits and Deductions Still Available

A common myth is that a final return cannot claim the usual credits. In fact, many of the same credits and deductions an individual would normally claim are still available on the terminal return.

• The basic personal amount, the tax-free amount every taxpayer can claim
• Age and pension credits, where they apply
• Medical expenses, including those in the period before death
• Charitable donations, which can be especially valuable on a final return

An accountant can make sure the estate claims everything it is entitled to. Overlooking available credits is one of the most common ways executors accidentally overpay.

Income the Estate Earns After Death Goes on a T3

There is an important dividing line at the date of death. Income the person earned up to that date belongs on the final T1 return. But money the estate earns after the date of death - interest in the estate bank account, dividends, or rent collected while the estate is being settled - is reported separately on a T3 trust return.

In other words, the estate becomes its own taxpayer once the person dies. If settling the estate takes a while and it earns income along the way, you may need to file one or more T3 returns in addition to the final T1. An accountant can tell you whether a T3 is required in your situation.

Get a Clearance Certificate Before You Distribute

Once the returns are filed and any tax is paid, there is one more step that protects you personally. Before you hand out the inheritances, you can ask the CRA for a clearance certificate - a document confirming that all taxes owed by the deceased and the estate have been paid.

This matters because if you distribute the estate and tax later turns out to be owing, the CRA can hold you, the executor, personally responsible for the shortfall. The certificate can take several months to arrive, so many executors keep a holdback of funds in reserve and make the final distribution only after it is issued. It is a small delay that can save you a great deal of worry.

Key Takeaways

• The terminal return is the deceased's final personal tax return, filed by the executor, covering January 1 to the date of death
• For a death between January 1 and October 31, it is generally due April 30 of the next year; for November 1 to December 31, generally six months after death
• The return includes income up to death plus the deemed disposition, where capital property is treated as sold at fair market value
• Optional separate returns, such as one for rights or things, can sometimes lower the tax bill - ask an accountant
• Income the estate earns after death goes on a separate T3 return, and you should get a clearance certificate before distributing