What to Do If You Receive a Tax Penalty from the CRA

Getting a penalty included on your CRA Notice of Assessment or Reassessment can be stressful. Below is a step‑by‑step guide to understand the penalty, stop interest from compounding, choose the right path to challenge or mitigate it, and set up payments—practical steps for businesses and high‑income taxpayers in Toronto, Ottawa, and across Ontario.

The CRA typically communicates penalties within a Notice of Assessment/Reassessment (income tax, GST/HST) or on a statement of account. It identifies the rule breached, the amount, and explains your rights to pay, dispute (file a Notice of Objection CRA), or request taxpayer relief.

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What is a CRA Penalty (and Why You Received One)

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Penalties encourage timely, accurate compliance. Common triggers include late filing, repeated failure to report income, false statements/gross negligence, instalment shortfalls, GST/HST filing failures, and payroll remittance issues. The CRA’s notice will show the reason and amount.

Common Examples

Late‑filing (T1/T2). Individuals (T1): 5% of balance owing + 1% per full month late (max 12). If the CRA charged a late‑filing penalty in one of the three prior years and demanded you file, it increases to 10% + 2% per month (max 20). Corporations (T2): same 5% + 1% per month framework; the “demand + prior penalty” scenario increases to 10% + 2% per month (max 20).

Repeated failure to report income (T1/T2). Where income of ≥$500 was omitted this year and again in one of the three preceding years, a penalty can apply. For individuals, it is the lesser of: (i) 10% of the unreported amount (federal + provincial/territorial) and (ii) 50% of the difference between understated tax/overstated credits and tax withheld on that income.

False statements / gross negligence (s. 163(2) ITA). Generally the greater of $100 or 50% of understated tax/overstated credits; provincial counterparts may also apply.

Instalment interest and penalty (individuals). Daily‑compounding instalment interest applies where required instalments were late/insufficient; if instalment interest exceeds $1,000, a penalty may also apply under CRA’s two‑step formula (compare $1,000 vs. 25% of “no‑payments” interest; subtract the higher from actual interest; divide by 2).

GST/HST filing penalties. Late filing with balance owing: A + (0.25 × A × months late) where A = 1% of balance, max 12 months. Additional penalties can apply for failing to e‑file when required ($100 first time, $250 thereafter), inaccurate reporting (generally 5% + 1% per month until corrected, capped), or ignoring a demand to file ($250).

Payroll (source deductions). Late or missed remittances: 3%–10% based on days late; 20% for repeated failures where made knowingly or with gross negligence. Separate penalties can apply for failing to deduct required amounts.

Interest: CRA charges daily‑compounding interest at prescribed rates on most unpaid balances and, in many cases, on unpaid penalties as well.

Objection vs. Taxpayer Relief—Which Fits?

File a Notice of Objection CRA if the penalty is wrong. You’re challenging the assessment itself. File via My Account/My Business Account (“Register my formal dispute”) within the applicable deadlines. If CRA confirms its position, you may appeal to the Tax Court of Canada. Collections on disputed amounts are normally postponed, subject to exceptions and the 50% rule for large corporations; interest generally continues.
Request taxpayer relief (RC4288) if the penalty is correct but circumstances were beyond your control (serious illness, disaster, CRA error/delay) or there’s undue hardship. Relief is discretionary and limited to the last 10 calendar years .
You can do both (on different issues): object to a calculation error, and request relief for interest caused by a flood or hospitalization. Keep the arguments distinct.

FAQ’s About CRA Penalties

Do collections stop while I object? For income‑tax amounts in dispute, CRA normally postpones collection action until 90 days after its objection decision or while a Tax Court appeal is pending. Exceptions exist (e.g., certain amounts you were required to withhold and remit), and large corporations must pay 50% on objection. Interest generally continues.

Can I object to interest? You can object to the underlying assessment that generated interest. To reduce or cancel interest itself, apply for taxpayer relief (RC4288) within the 10‑year window.

How long does taxpayer relief take? The CRA currently states most relief requests are processed in about eight months (longer if complex). Interest continues while relief is under review, so paying sooner reduces cost.

Are CRA penalties tax‑deductible for my business?Generally no. The Income Tax Act s.67.6 denies deductions for government‑imposed fines/penalties.

I paid late because a payment was misapplied—can I fix it? Often yes. In My Business Account, transfer credits/payments; otherwise request a transfer or a payment search and then ask CRA to review interest once allocation is corrected.

I’m facing multiple issues (GST/HST + payroll + income tax). Should I call a professional? Yes—especially for alleged gross negligence or large amounts. Speaking with an experienced CRA audit lawyer preserves privilege and can save more than it costs.

Handling a Range of CRA Reassessment Disputes

Not all tax problems are the same and neither are CRA reassessments. At Taxpayer Law, we understand that every CRA reassessment dispute has its own story, context, and consequences. Whether the issue stems from a misunderstood deduction, alleged unreported income, or a simple error, we take a tailored approach to every case. As your trusted tax lawyer in Toronto, ON, our job is to make sure the CRA hears your side clearly and accurately.

From filing a notice of objection to the CRA to representing you in legal proceedings, we provide skilled legal support at every stage. Our goal is to resolve your CRA reassessment dispute as efficiently as possible while protecting your rights and reducing stress along the way! Contact us today to connect with a skilled CRA tax lawyer in Toronto, ON, and surrounding areas.