TREADSTONE LAW · ONTARIO · DIGITAL LEGAL SERVICES · EST. MMXXI ·TSL
Licensed by the Law Society of OntarioFlat fees published upfrontWe reply to messages within 1 business daySign in
№ ix Tax

Can the CRA Audit You After a Voluntary Disclosure in Canada?

Thinking of disclosing unreported income before a CRA audit? Learn how audits, penalties, interest and reassessment limits work in Canada before you act.

Tax5 min readTSLBy the Treadstone Law Team · CanadaUpdated November 6, 2026
← All articles
Key takeaways
  • Where the CRA suspects unreported income it can use indirect methods such as the net worth method, which treats any positive variance as unreported income.
  • Gross negligence penalties can be the greater of $100 and 50% of the relevant amounts, and the CRA bears the burden of proving the facts for a penalty.
  • Whether a voluntary disclosure protects you depends on timing and conditions, so confirm with a lawyer before you file or answer an auditor.

If you have income you never reported, the idea of coming forward before the CRA finds it is understandable. The question most people ask is whether a voluntary disclosure stops an audit, removes penalties and rules out prosecution.

The honest answer is that it depends on the facts and on the conditions of the program at the time you apply, so this article does not promise a result. It explains how the CRA looks for unreported income, what penalties and interest are in play, and what to settle with a lawyer before you take a step.

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

What you are really asking

There are three separate worries: will the CRA still audit you, will penalties apply, and could the matter go beyond tax. How a disclosure program applies to you depends on your situation, so it is worth confirming with a lawyer. Whether it protects you from an audit, penalties or prosecution depends on whether you qualify and on how the CRA treats your application, so get advice before you file.

The CRA audits files it identifies as high risk using risk-assessment tools, analytics, leads and third-party data. Contact with an auditor, or a request for records, can change your position. If you have already been contacted, say so when you speak with a lawyer.

How the CRA looks for unreported income

The CRA calls the net worth method the most common method of indirect verification of income. It compares changes in assets, liabilities and personal spending against reported income, and it can include the financial records of a spouse and household members.

Indirect methods are used where records may be unreliable, accounts are mixed, lifestyle does not match reported income, or a business consistently reports income lower than similar businesses in its sector. Under the Audit Manual, net worth income is the increase in net worth plus personal expenditures plus non-deductible losses, less non-taxable income, and any positive variance is treated as unreported income. Gifts and lottery winnings are part of that calculation, so non-taxable sources can be documented.

Time limits for reassessing older years

For individuals, the normal reassessment period ends three years after the earlier of the original notice of assessment and the original notification that no tax is payable. After that period, tax, interest or penalties generally cannot be assessed unless an exception applies.

One exception covers misrepresentation attributable to neglect, carelessness or wilful default, or fraud, in filing a return or supplying information, and there is no fixed time limit in that case. A reassessment under that exception is allowed only to the extent it can reasonably be regarded as relating to the matter that triggered it. Another exception is a valid waiver (Form T2029) filed within the normal reassessment period, which lets the CRA reassess later, but only for the matters the waiver specifies. How these exceptions apply to your years depends on your facts, so it is worth confirming with a lawyer.

Penalties, interest and relief

ItemWhat the rules say
Gross negligence penaltyThe greater of $100 and 50% of the total of the amounts calculated under paragraphs (a) to (i), where a person knowingly or through gross negligence makes or takes part in a false statement or omission
Burden on penaltiesThe Minister must establish the facts justifying the penalty in an appeal
InterestRuns at the prescribed rate while tax is unpaid; the rate for 1 October to 31 December 2026 is 7% and it changes quarterly
Taxpayer reliefThe CRA may cancel or waive penalties and interest, and a penalty relief request generally must be made within 10 years of the end of the calendar year of the tax year

Interest keeps accruing while a relief request is pending, so paying in full stops further charges. Factors the CRA weighs include compliance history, whether reasonable care was exercised and whether you acted quickly to fix the omission.

What to do next

Do not ignore a CRA letter while you consider disclosing. If a requirement for documents arrives, it must stipulate a reasonable time for compliance. If you do not comply with an audit requirement, a judge can order compliance on the Minister's application. Information protected by solicitor-client privilege is excluded from that order.

You may choose a person to represent you, though you remain legally responsible.

Frequently asked questions

Does disclosing unreported income stop the CRA from auditing me?

That depends on whether you qualify and on timing, so no one can promise it. Get advice before filing, and tell your lawyer about any CRA contact you have already had.

Can the CRA reassess years that are more than three years old?

Usually the normal period for individuals is three years from the earlier of the original notice of assessment and the original notification that no tax is payable. It can go further back where there is misrepresentation attributable to neglect, carelessness or wilful default, or fraud, and then there is no fixed time limit.

What is the penalty for leaving income out of a return?

A gross negligence penalty is the greater of $100 and 50% of the relevant amounts. The Minister must establish the facts that justify it if you appeal.

Does interest still apply if I come forward?

Interest runs at the prescribed rate on unpaid tax for as long as it is outstanding, and the rate for 1 October to 31 December 2026 is 7%. Paying early limits further interest, and penalty and interest relief may be requested in some situations.

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.

This is a tax question

A tax planning consult with us is from $563.87, tax included. Third-party fees are extra.

ContactStart a File →