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Calm, practical guidance on late filing and late payment. General information only.
Educational only. Not tax advice.
If you owe tax and file after the deadline, the CRA may apply a late-filing penalty. The CRA calculates penalties based on your specific situation and history.
Official CRA late filing guidanceLate payment interest can apply to any unpaid balance. Interest is calculated by CRA and can grow the longer the balance remains unpaid.
Official CRA interest and penaltiesCRA may apply higher penalties if you have been penalized for late filing in recent years and file late again. This is not automatic for everyone and depends on CRA rules.
If CRA expects you to pay installments and you miss those payments, installment interest may apply. Review your CRA notice for your specific schedule.
See installment deadlinesStructured answers: summary, actions, tools, citations.
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