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Spousal Trust in a Will: When the Rollover Applies in Canada

Learn when property left to a spouse trust in a will avoids the deemed disposition at death under Canadian federal tax law, and what conditions apply in Canada

Tax4 min readTSLBy the Treadstone Law Team · CanadaUpdated November 13, 2026
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Key takeaways
  • Property left to a qualifying spouse trust can roll over at cost instead of being treated as sold at fair market value on death.
  • The trust must be created by the will, be resident in Canada, and give the spouse all the income for life, with no one else getting income or capital during that time.
  • The property must vest indefeasibly within 36 months after death unless the Minister allows a longer period, and the legal representative can opt out property by property.

If you are drafting a will, or administering an estate, you may see a plan to leave property in a trust for a surviving spouse or common-law partner rather than outright. The tax question is whether the deceased is treated as having sold that property at death.

The default rule can create a tax bill on the final return. A qualifying spouse trust can defer that tax, but only if the trust and the timing meet specific conditions. This article explains them in plain terms.

This article covers Canadian federal tax law, which applies in every province.

The default rule the rollover replaces

On death, a person is deemed to have disposed of each capital property immediately before death for proceeds equal to its fair market value, and the final return carries the tax, not an inheritance tax. The person who acquires the property because of the death is deemed to acquire it at that fair market value, which sets their adjusted cost base.

The gain or loss is fair market value on the date of death minus adjusted cost base, reported on Schedule 3 and line 12700 of the final return. The deceased reports it on the final return, not the beneficiaries. Gains on property the estate sells after death go on the estate's T3 return instead.

What makes a spouse trust qualify

The rollover applies to a trust created by the deceased's will that is resident in Canada, where the spouse is entitled to receive all the trust's income for life and no one else may get income or capital during the spouse's lifetime. The deceased must also have been resident in Canada immediately before death.

These conditions are strict, so the exact wording of the trust clause matters. Have a lawyer review it before the will is signed.

The 36-month vesting requirement

The rollover applies only if the property vests indefeasibly in the trust within 36 months after death, or a longer period the Minister allows on written application. The CRA likewise says the property must be locked in within 36 months of death. In plain words, the property must be firmly settled in the trust, not still open to being redirected.

If an estate is likely to take longer, a written application for more time may be needed, and the outcome depends on the situation.

How the numbers work, and when to opt out

When the rollover applies, the usual fair market value rule does not. The deceased is deemed to dispose of the property for proceeds equal to its adjusted cost base or, for depreciable property, the lesser of capital cost and cost amount, and the spouse (or the trust, for property in a qualifying trust) takes it at that same amount. So the tax is deferred rather than removed.

Resource property and land inventory are deemed disposed of at fair market value under s. 70(5.2), with a separate spouse and spouse-trust deemed-proceeds rule that also requires vesting within 36 months.

The legal representative may elect, in the final return for the year of death, that the rollover not apply, so the regular deemed-disposition rule applies instead. The election is made property by property, and proceeds are then set at fair market value. This can be useful to use the deceased's losses, the capital gains deduction, or lower rates on the final return.

SituationDeemed proceeds for the deceasedCost to the trust
Rollover appliesACB (or lesser of capital cost and cost amount for depreciable property)Same amount
Opt out by electionFair market valueFair market value

What to do next

The CRA tells owners to keep records of fair market value on the date of death. Good records make either approach easier to support.

Frequently asked questions

Does the rollover remove the tax permanently?

No. The deceased is treated as disposing of the property at its adjusted cost base, and the trust takes it at that same cost. The gain stays embedded in the property for later.

Can the trust benefit someone other than my spouse?

Not during the spouse's lifetime if you want the rollover. No one else may receive income or capital of the trust while the spouse is alive.

What if the property will not vest within 36 months?

The rollover requires vesting within 36 months, or a longer period the Minister allows on written application. Whether more time is available depends on the facts, so get advice early.

Why would an estate choose not to use the rollover?

The legal representative can elect out property by property, setting proceeds at fair market value. That can help use the deceased's losses, the capital gains deduction, or lower rates on the final return.

Sources

Links go to official government, court and regulator pages. The law changes — confirm you are reading the current version.

This article is general information, not legal advice. Reading it does not create a lawyer-client relationship. Canadian laws, tax rates, and government programs change, and how the law applies depends on your specific facts. For advice about your situation, speak with a tax lawyer or accountant. Reach us at 1-844-900-1070 or send our Team a message.

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