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Can You Object to CRA Penalties and Interest in Canada?

Learn how a Canada notice of objection can dispute CRA penalties and interest, and how that differs from asking the CRA to cancel or waive them.

Tax4 min readTSLBy the Treadstone Law Team · CanadaUpdated November 1, 2026
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Key takeaways
  • Penalties and interest are part of the assessment, so a notice of objection can dispute them.
  • Asking the CRA to cancel or waive penalties or interest as a matter of fairness is a separate request.
  • The Minister may waive or cancel penalty or interest for a year up to ten calendar years after the end of that year.

If your assessment includes a penalty, such as one for filing late or one tied to what you reported, you may wonder whether you can dispute it or only ask for mercy. In fact there are two different routes, and they work differently.

This article explains the difference between objecting and asking for relief, the deadlines that apply, and what happens to interest and collection while you wait. Which penalty applies to you depends on your facts, so a lawyer or accountant can confirm.

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

Penalties and interest are part of the assessment

When the Minister examines a return, the assessment covers tax, interest and penalties. The CRA confirms that penalties and interest are part of the assessment and that a notice of objection can dispute them.

An objection is the route when you say the penalty or interest was wrongly calculated or should not have been assessed on the facts. Your notice must set out the reasons and all relevant facts.

Objecting versus asking for relief

Cancelling or waiving a penalty or interest as a matter of fairness is a separate request, not an objection. Under the Act, the Minister may waive or cancel all or part of a penalty or interest for a taxation year, or on an application made, up to ten calendar years after the end of that year. The Minister may make any assessment needed to give effect to it despite the normal reassessment limits.

Notice of objectionRelief request
What it saysThe assessment, including penalty or interest, is wrongCancel or waive it as a matter of fairness
Time limitGenerally 90 days from the notice date, or later for most individualsUp to ten calendar years after the end of the year
Objection rights over resultYes, then Tax Court appealA reassessment issued under the Taxpayer Relief provisions cannot itself be objected to

Deadlines if you choose to object

An individual (other than a trust) or graduated rate estate has until the later of one year after the filing-due date for the year and 90 days after the notice of assessment was sent. A corporation has 90 days. The clock runs from the date the notice was sent, not received.

If you miss the deadline, you may apply to the Minister for an extension, giving reasons for the delay, addressed to the Chief of Appeals with a copy of the notice of objection. The application must be made within one year after the objection deadline expired, and you must show you were unable to act or had a genuine intention to object, that an extension is just and equitable, and that you applied as soon as circumstances allowed. After more than one year, no extension can be granted.

Interest and collection while you dispute

If the CRA disagrees, it sends a Notice of Confirmation or a reassessment, and you can appeal to the Tax Court within 90 days.

What to do next

Frequently asked questions

Can I object to a late-filing penalty?

Yes, penalties are part of the assessment and a notice of objection can dispute them. Asking for the penalty to be cancelled as a matter of fairness is a separate request.

Is a penalty waiver request the same as an objection?

No. Cancelling or waiving penalties or interest as a matter of fairness is a separate request, not an objection. A reassessment issued under the Taxpayer Relief provisions cannot itself be objected to.

How far back can I ask for penalty or interest relief?

The Minister may waive or cancel all or part of a penalty or interest for a taxation year, or on an application made, up to ten calendar years after the end of that year.

Does interest stop while my objection is pending?

No. Interest keeps accruing on disputed income tax. Paying all or part of the disputed amount stops further interest on what you paid, and it is refunded if the CRA agrees with you.

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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