Can an Estate Claim the Disability Tax Credit on a Deceased Person's Final Return?

When a family member who lived with a serious and prolonged impairment passes away, the people settling their affairs are often thinking about grief, not tax forms. But the Disability Tax Credit (DTC) on a deceased person's final return is worth a second look — especially if the credit was approved late in life, or never formally claimed at all.

This article explains how the DTC interacts with a deceased person's terminal tax return, and what an executor can do if the credit was never claimed while the person was alive. It is general information only; DTC eligibility and retroactive claims can be technical, and an accountant or tax lawyer should confirm the details for your situation.

What the Disability Tax Credit Is

The Disability Tax Credit is a non-refundable federal tax credit for individuals with a severe and prolonged physical or mental impairment. Eligibility is determined by the Canada Revenue Agency (CRA) based on a medical certification, typically completed by a qualified practitioner on CRA's disability tax credit application. Once approved, CRA generally specifies the tax years the credit applies to — sometimes going back several years if the impairment existed earlier but was never certified.

Because eligibility is tied to the person's medical condition rather than to their being alive to file the claim, death does not automatically end the ability to claim the credit for years when the person qualified.

The Final Return: What It Covers

When someone dies, their legal representative — usually the executor named in the will, or an estate trustee appointed by the court — must file a final return (sometimes called a terminal return) covering the deceased's income from January 1 of the year of death up to the date of death. This is a personal return for the deceased, not a return for the estate itself.

If the person had an approved DTC certificate valid for the year of death, the credit can generally be claimed on that final return the same way it would be claimed on any other year's return. It is not typically pro-rated for the number of days the person was alive, though the exact mechanics can vary — confirm the current treatment with a tax professional.

If the DTC Was Never Claimed During Life

Where things get more interesting is when the person likely qualified for the DTC for one or more earlier years, but the application was never filed — a common situation with progressive illnesses or conditions diagnosed only shortly before death. An executor can still submit a DTC application on the deceased's behalf, supported by a medical practitioner's certification, and ask CRA to assess eligibility going back to when the impairment began.

If CRA approves the application with an earlier onset date, the estate's legal representative can then request that CRA adjust the deceased's previously filed returns for those earlier years to include the credit. How many years back CRA will allow is subject to limitation rules that can change — always verify the current lookback period with CRA or an accountant rather than assuming a specific number of years is available.

Who Actually Gets the Benefit

A DTC claimed on a deceased person's return only reduces that person's own tax payable — it can create or increase a refund owed to the estate, but it does not generate a payment directly to a caregiver. In some cases, an unused portion of the credit could have been transferred to a supporting family member while the person was alive; whether a similar transfer is available retroactively after death is a more specific question worth raising directly with CRA or a tax advisor.

Practical Steps for an Executor

• Confirm whether the deceased already had an approved DTC certificate on file with CRA.
• If not, gather medical records and ask a qualified practitioner whether they can certify a DTC application, including an opinion on when the impairment began.
• File (or have the estate's accountant file) the DTC application alongside, or shortly after, the final return.
• If CRA approves an earlier onset date, request adjustments to the affected prior-year returns.
• Remember that any refund from an adjustment flows into the estate and is distributed according to the will (or intestacy rules) — not directly to whoever cared for the deceased.

Frequently asked questions