
TAX DISPUTE
At Twin Lisbet, we offer comprehensive assistance in all aspects of tax disputes. Our expertise, combined with a rigorous approach, aims to prevent conflicts and maximize results in favor of our clients. Whether you require rapid intervention or a long-term strategy, we are ready to support you effectively.
Negotiation of amicable agreements
Our approach focuses on finding amicable solutions while ensuring competent representation before the tax courts. Faced with unjustified increases in contributions or accusations such as tax fraud or undeclared work, we defend your interests with rigor and integrity. Thanks to a meticulous method and a mastery of tax laws, we are committed to resolving your disputes favorably.
Judicial hearings
The tax litigation process can be lengthy and complex, requiring in-depth knowledge of legal regulations and procedures. At Twin Lisbet, we meticulously prepare your case to ensure a strong and strategic defense. During hearings, we represent you personally, ensuring that your rights are defended with expertise and determination.
A contribution notice and opposition
When you receive a notice of assessment, it is crucial to react quickly. You generally have 90 days to contest this notice. Our team prepares a detailed file to reduce or reverse the assessments proposed by the authorities. We transform this administrative process into a proactive opportunity to resolve your tax situation favorably and efficiently.


Tax Dispute Cases:
Our Areas of Intervention
Tax Notices and Disagreements Challenging tax notices related to disagreements and defense in anti-avoidance tax cases.
Defense against property reassessments for businesses.
Credits and Exemptions Defense against denials of research and development (R&D) credits.
Challenging denials of tax exemptions.
Classification and Tax Status Challenging classifications of employees versus independent contractors.
Defense of individual tax residency status.
International Litigation Challenging reassessments and international advance pricing agreements.
Defense in cases of double taxation and international tax obligations.
Litigation on the taxation of repatriated funds and foreign income.
Fraud and Criminal Offenses Representation in tax fraud cases.
Challenging criminal offenses and abusive seizures.
Taxable Benefits and Specific Sectors Challenging the assessment of taxable benefits.
Tax litigation in the sectors of mining, construction, hospitality, and natural resources.
Transactions and Adjustments Representation in appeals and challenges of tax transaction adjustments.
Litigation related to additional dividend surcharges and complex financial assessments.
Consumption Taxes and Collections Defense against collection actions related to consumption taxes (GST/QST).
Challenging disputes over the incorrect application of these taxes.
Overseas Tax Residency Defense of individuals regarding their tax residency status while living abroad.
Estate and Asset Litigation Challenging tax assessments after death, including estate transfers and inheritance tax.
Complex Financial Structures Defense in litigation involving foreign affiliated entities, offshore trusts, and financing structures.
Challenging property tax assessments, particularly for quick sales ("flips") and capital gains.
Voluntary Disclosures Representation in litigation where voluntary disclosures are challenged by tax authorities.