While there is no legal limit on how many years you can go without filing, you should file your Canadian tax returns as soon as possible to avoid compounded penalties and interest. Generally, the Canada Revenue Agency (CRA) allows you to request adjustments for up to 10 years. Failing to file can lead to 5%–17% penalties on unpaid balances, frozen benefits, and potential legal action.
If you haven't filed your Canadian taxes for three years, you could face financial and legal consequences. The good news? There are ways to fix it, like the CRA Voluntary Disclosure Program. This guide will break down what happens when you don't file, how to get back on track, and how Credit Canada can help.
There's no official limit to how many years you can go without filing taxes, but the IRS expects you to file if required, and the statute of limitations on the IRS assessing tax or collecting never starts until you actually file, meaning they can pursue unfiled returns from any year, even decades old. While the IRS often focuses on the last six years, waiting increases penalties and interest, and you risk losing any potential refunds after three years; proactively filing past-due returns is always best.
The 183-day rule
When you calculate the number of days you stayed in Canada during the tax year, include each day or part of a day that you stayed in Canada. These include: days that you attended a Canadian university or college. days that you worked in Canada.
If you don't file taxes for five years, you will forfeit all refunds that are over three years old (if applicable). You also put yourself at risk of the IRS assessing interest and penalties against you. The IRS has the ability to file SFRs on your behalf if you are past the filing deadline for a tax return.
Tax law includes the possibility of a year's imprisonment for every unfiled tax return. Realistically, no. “Never,” Barss said. “In many, many years, I've never heard of that happening.”
If you haven't filed taxes in years, gather your financial documents (income statements, receipts) for those years, request wage and income transcripts from the IRS to ensure accuracy, and file all missing returns ASAP, as the IRS prefers compliance over pursuing criminal action, even if you can't pay immediately; file to claim refunds (within 3 years) and avoid bigger penalties, and then contact the IRS for payment options like installment agreements if needed.
As a non-resident of Canada, you pay tax on income you receive from sources in Canada. The type of tax you pay and the requirement to file an income tax return depend on the type of income you receive. Generally, Canadian income received by a non-resident is subject to Part XIII tax or Part I tax.
In addition to the failure-to-file penalty, there is also a penalty for failing to pay taxes owed by the due date. This penalty is assessed based on the amount of unpaid taxes and accrues interest over time until the balance is paid in full.
In fact, according to the decision in question, the IRS is required under the Canada-U.S. Income Tax Treaty (the Treaty) to collect a Canadian tax liability, with no right of the taxpayer to the collection due process (CDP) hearing it might otherwise be entitled to under the Internal Revenue Code.
Put simply, this means the federal tax fraud statute of limitations is three years past your filing date. However, if the IRS discovers that over a quarter of your income was omitted on your tax return, the statute of limitations doubles. In other words, the agency has six years to file charges against you.
What happens if you refuse to file taxes? If penalties and interest aren't motivating enough and you outright refuse to file taxes, the IRS can enforce tax liens against your property or even pursue civil or criminal litigation against you until you pay.
The IRS one-time forgiveness program, or first-time penalty abatement, is a good option if you received an IRS penalty and have a solid history of filing and paying taxes on time.
It is relatively rare for a Canadian to be convicted of tax evasion but it does happen. Some Statistics: Between 2019 and 2024 there were 135 convictions with a total of $25.1 million in fines imposed: 58 individuals received jail time totalling 108 years.
The CRA chooses a file for an audit based on a risk assessment. The assessment looks at a number of factors, such as the likelihood or frequency of errors in tax returns or whether there are indications of non-compliance with tax obligations.
The Canada Revenue Agency administers dozens of cash transfer programs that require an annual personal income tax return to establish eligibility. Approximately 10–12 percent of Canadians, however, do not file a return; as a result, they will not receive the benefits for which they are otherwise eligible.
If you haven't filed taxes for 20 years, the IRS can take several actions, including assessing penalties and interest, filing a substitute return on your behalf, placing a federal tax lien on your property, garnishment of wages, or even pursuing criminal penalties and criminal charges in extreme cases.
Your U.S. expat taxes are due on the same federal tax due date as U.S. citizens and U.S. resident aliens living inside the U.S.: April 15, 2026 for your 2025 taxes.
By law, the IRS will certify taxpayers with seriously delinquent tax debts to the State Department for specific actions regarding their passports. Generally, the State Department will not issue passports to taxpayers after receiving their delinquent debt certification from the IRS.
If you fail to file for multiple years, your tax debt can grow significantly due to penalties and interest. The CRA may roughly calculate your income and issue an estimated assessment, meaning you could be charged more than you actually owe.
Canada's 183-day rule is a key factor in determining tax residency: if you stay in Canada for 183 days or more in a calendar year, you're generally considered a resident for tax purposes for that entire year (a "deemed resident"), even if you don't have strong ties, subjecting your worldwide income to Canadian tax. However, this rule works alongside Canada's complex residency tests and tax treaties, meaning you might become a resident sooner with significant ties (like family or property) or avoid it if a treaty designates you a resident of another country.
In actual fact, you can be absent from Canada as long as you want. The Canadian government recognizes that citizens may travel extensively, work or study abroad. You will always maintain your Canadian citizenship. What absentia may affect is your Canadian health care coverage and income tax.
If you don't file taxes for a year and owe money, you face significant penalties and interest, including a 5% per month failure-to-file penalty (up to 25%), a separate failure-to-pay penalty, and accruing interest, potentially leading to wage garnishment, bank levies, and even criminal charges in extreme cases; however, if you are due a refund, there's no penalty, but you must file within three years to claim it.
However, while the IRS can go back to any unfiled tax return, they generally don't try to enforce filing requirements for returns older than six years. The only exceptions might be if they: Find signs of fraudulent or illegal behavior. Need the information to inform returns for later tax years.