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• If you pay a penalty or interest due to a TurboTax calculation error, we will reimburse the penalty and interest. Does not include calculation errors due to errors in CRA tables.

You will need to compare what you had entered into the software to your Notice of Assessment and see where the difference(s) are. 

  How do I submit a claim under the TurboTax 100% Accurate Calculations Guarantee?

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