What Happens If You Don't File Taxes For 5 Years In Canada

As a Canadian resident receiving taxable income, you are required to file an Income Tax Return each year. If you have several years of outstanding returns, the CRA can issue a Notice of Assessment. These assessments often require you to pay more tax than you would have had you filed properly, as the CRA will select the highest earnings bracket (since they do not have your actual income to base it off of). You may also be required to pay late filing fees. 

The Canadian Revenue Agency operates a regular compliance