The short version
- Taxpayer relief lets CRA cancel or waive penalties and interest when something beyond your control stopped you from meeting a tax obligation. It never cancels the tax itself.
- The three grounds: extraordinary circumstances (serious illness, a death in the family, disaster), CRA's own actions (delays, errors, wrong information), and inability to pay or financial hardship.
- Apply with form RC4288, or online through My Account or My Business Account. Relief is limited to tax years, or interest, from the 10 calendar years before the year you apply.
- CRA looks at your compliance history, whether you knowingly let a balance sit, whether you took reasonable care, and how quickly you fixed things.
- CRA was taking about 16 months to decide when we checked. If it says no, you can ask for a second review or go to the Federal Court within 30 days.
CRA Taxpayer Relief: Penalties and Interest
CRA's penalties and interest are automatic. The computer doesn't know you spent March in the hospital or that the CRA agent gave you the wrong answer on the phone. Taxpayer relief is where a human gets to know. It works when the facts are real, documented and actually explain the delay. It doesn't work for "I was busy" or "I didn't think I owed anything", which, to be fair, is what everyone else thought too.
What Relief Can and Can't Do
| Can cancel or waive | Can't |
|---|---|
| Late-filing penalties (see all CRA penalties) | The tax itself |
| Arrears interest on a balance | Disputes about whether the tax is right (that's an objection) |
| Instalment interest and penalties | Anything older than the 10-year limit |
| Penalties for late information returns and some other penalties | Interest on a balance you knowingly left unpaid without a reason |
Individuals and graduated rate estates can also ask CRA to accept certain late or amended elections, or to issue refunds for years more than three years back, under related provisions.
The Three Grounds
| Ground | Examples CRA gives | What to send |
|---|---|---|
| Extraordinary circumstances | Natural or human-made disasters such as flood or fire; civil disturbances or service disruptions; serious illness or accident; serious emotional or mental distress, such as a death in the immediate family | Medical letters with dates, death certificate, insurance or disaster records |
| Actions of CRA | Processing delays so you weren't told within a reasonable time that you owed; incorrect information from CRA; errors in CRA material; delays providing information you needed | Dates of calls, names, letters, screenshots, the CRA page you relied on |
| Inability to pay or financial hardship | Paying the accumulated interest would cause a prolonged inability to provide basic necessities such as food, medical care, transportation or accommodation | Income and expense details, assets and debts, bank statements |
The circumstance has to explain the timing. A surgery in 2024 doesn't explain a 2021 return filed in 2026.
Do you have a case for relief?
Tell the assistant what happened, when, and what CRA charged. It tells you which ground fits, what evidence CRA will want, and whether to ask for relief, object, or both.
What CRA Weighs
- Compliance history: first time, or the fourth year in a row?
- Knowingly leaving a balance: interest you could have stopped by paying is hard to get cancelled.
- Reasonable care: did you do what a careful person would have done in the circumstances?
- Speed: once the circumstance passed, did you fix things promptly?
How to Apply
- Get current first: file any missing returns. A relief request for 2023 while 2024 and 2025 are unfiled doesn't look good.
- Apply online in My Account or My Business Account, or use form RC4288 and mail it to the address on the form.
- One request covering all affected years and accounts, with the penalty or interest amounts if you know them.
- Tell the story briefly and in order: what happened, the dates, how it stopped you, and what you did once you could act.
- Attach the proof. A relief request without documents is a wish.
- Keep paying what you can. Interest keeps running while CRA decides; see payment arrangements.
The 10-Year Limit
Relief is available only for tax years ending in the 10 calendar years before the year you apply, and, for interest on older debts, only for interest that built up in those 10 years. A request made in 2026 covers interest accrued in 2016 and later. An old debt still growing can get partial relief on its recent interest.
After You Apply
- Timing: CRA's average processing time was about 16 months when we checked. Track it in My Account.
- Approved: the penalties or interest are reversed, and any credit is applied to other debts or refunded.
- Denied: ask for a second administrative review by a different officer, with any new information. After that, you can apply to the Federal Court for judicial review within 30 days of the decision. The court checks whether CRA decided reasonably, not whether it should have said yes.
- Can't pay meanwhile: see CRA tax debt. Disputing the tax itself is a separate step with its own deadline.
Relief or Voluntary Disclosure?
If CRA doesn't yet know about unreported income or unfiled returns, the Voluntary Disclosures Program can waive penalties and part of the interest without needing a hardship or extraordinary reason. Once CRA knows, relief is the route. The rest of dealing with CRA is on the CRA guide. Late filing in general is covered on late filing penalties and late payment on late payment interest.
Taxpayer Relief Questions
Can CRA cancel penalties and interest?
Yes, under the taxpayer relief provisions, when extraordinary circumstances, CRA’s own actions, or inability to pay or financial hardship prevented you from meeting your obligations. CRA cannot cancel the tax itself this way.
How do I ask CRA to waive interest?
Apply online through My Account or My Business Account, or send form RC4288 with an explanation of what happened and supporting documents.
How far back can taxpayer relief go?
Ten calendar years. A request made in 2026 can cover tax years ending in 2016 or later, and interest that accrued in 2016 or later.
How long does a taxpayer relief request take?
CRA’s average processing time was about 16 months when we checked, depending on complexity. Interest keeps running while you wait.
What if my taxpayer relief request is denied?
You can ask for a second administrative review. After a final decision, you can apply to the Federal Court for judicial review within 30 days.
Sources: CRA, Cancel or waive penalties and interest; IC07-1R1 Taxpayer relief provisions; After you apply. Checked October 2026. The processing time changes; check CRA's page for the current estimate. Example document lists are ours, not CRA's.
Last reviewed October 5, 2026 against CRA and Government of Canada sources. How we check our facts.