Case study · Tax Litigation
Bringing strategy, evidence and timing together in complex tax disputes
We built a coordinated defence for a taxpayer facing interdependent adjustments, penalties and collection risk, ensuring that the facts, procedure and technical position supported one another from the outset.
The matter began with several information requests that appeared narrow in isolation but together pointed to a much wider investigation.
The client needed an immediate response strategy that protected the evidential record while preserving every available procedural route. This is an anonymised illustration of our dispute methodology.
The challenge
- Multiple tax periods and legal issues developing at different speeds.
- Documents and witnesses located in several countries.
- Potential penalties and enforcement action alongside the assessment.
- Short response deadlines before the full theory of the case was visible.
Our approach
Technical precision, focused on the client.
Control the chronology
We created a single chronology connecting transactions, decisions, filings and correspondence, then tested every proposed response against it.
Build the evidence early
Relevant records were collected, translated and indexed before positions became fixed, with overseas advisers validating local-law points.
Plan beyond the audit
Each submission was prepared with administrative appeal, judicial review, suspension and guarantee requirements already in view.
The outcome
The client moved from reactive responses to a controlled defence supported by a clear evidential narrative.
Separating the technical, penalty and collection workstreams while coordinating their timing preserved options and made decision-making more predictable throughout the matter.
In a complex dispute, the winning argument is rarely a single point. It is the alignment of law, evidence, procedure and timing.
The Lullius approach
