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Tax Dispute
A tax dispute arises when a taxpayer, business, or corporation disagrees with a decision or position taken by tax authorities. This may involve an assessment notice, a new assessment, a penalty, a credit denial, an income adjustment, a disallowed expense, or a differing interpretation of a tax rule.
Impôts ici assists individuals and businesses in analyzing and managing their tax disputes with the Canada Revenue Agency and Revenu Québec.
Our goal is to help you understand the decision, evaluate possible recourses, and prepare a solid case to defend your rights.

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Tax Dispute
Identify the nature of the tax disagreement
Before contesting a decision, it is essential to understand exactly what is at stake. A dispute may involve an amount of tax, a fee, a withholding, a credit, a deduction, a penalty, or a question of tax qualification. It may also arise from an error in figures, a missing document, or a differing interpretation of the facts.
Impôts ici begins by examining the notice received, the filed returns, the supporting documents, and any prior communications.
This analysis allows us to distinguish the truly contestable elements from those that need to be corrected or explained. A well-defined dispute is defended more effectively than a case handled in haste.
Tax Dispute
React quickly to notices and deadlines
Tax recourses are governed by deadlines. When a taxpayer wishes to contest an assessment or determination notice, they generally must act within a limited timeframe. In Quebec as well as federally, opposition deadlines are often 90 days, depending on the nature of the notice and the applicable situation.
It is therefore essential not to wait. Even when a taxpayer believes the error is obvious, it is necessary to confirm the procedure, gather documents, and meet formal requirements. Our team helps you establish priorities, check dates, prepare the contestation, and avoid losing a right of recourse due to inaction.

Prepare a structured tax opposition
A tax opposition requires more than just a letter of disagreement. It must outline the facts, the amounts involved, the reasons for the contestation, and the documents that support your position. An imprecise opposition risks being more difficult to process or failing to address essential questions.
Impôts ici assists you in preparing the argumentation. We analyze the returns, notices, records, and available evidence. We help you explain your position in clear language, highlighting the relevant tax elements. The goal is to present a coherent, complete, and credible case.
Contest a penalty or adjustment
Penalties and interest can sometimes represent a significant part of the case. They may arise from late filing, an omission, an error, an unpaid balance, or a position that the tax authority considers incorrect. In some cases, the penalty is justified. In others, it can be contested, reduced, or subject to a special request depending on the circumstances.
An adjustment can also be contested when it is based on a misunderstanding of the facts, incomplete evidence, misclassification of an expense, or a disputable tax interpretation. Our role is to assess the strength of the contestation and prepare the necessary elements to support the taxpayer’s position.
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Tax Dispute
Tax Dispute, Audit, and Representation
A tax dispute is often preceded by an audit or a request for information. If communications with the authorities have not resolved the disagreement, the situation may evolve into a more formal opposition or contestation. This is why documents submitted from the outset must be consistent and well-maintained.
Tax representation occurs in communications with the authorities. The tax dispute arises when the decision must be contested. Both services complement each other. Impôts ici can assist you from the initial analysis to the preparation of an appeal, maintaining an overview of the facts, deadlines, and evidence.


Tax Dispute
Defend Your Rights Methodically
A tax dispute can be stressful, especially when significant amounts are at stake or when the business must continue its operations during the processing of the case. It is important not to respond impulsively, to not ignore notices, and to not submit a contestation without prior analysis.
At Impôts ici, we help you defend your rights methodically.
Our advisors review the case, identify risks, prepare arguments, and guide you through the necessary steps. Whether the dispute involves an individual, a self-employed worker, a corporation, or a director, we seek a fair, documented outcome tailored to your situation.
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Tax Disputes with Impôts ici
A prompt intervention also allows for assessing whether the contestation should target the entire assessment or only certain elements. In many cases, part of the amount can be explained or corrected, while another must be contested. This distinction helps focus efforts on the most defensible points and avoid an overly broad approach.
This method also allows for maintaining a clear record of arguments, documents, and communications submitted. In a tax case, chronology and evidence are often as important as the contested amount.
