Tax (Portugal)

Tax Litigation & Defense

Defense in inspection procedures, administrative claims, judicial appeals and tax arbitration in Portugal.

OA n.º 64089L | OAB/SP n.º 433.599

When it makes sense

  • You received a tax inspection notification
  • You disagree with an additional tax assessment
  • You want to challenge a Tax Authority decision
  • You need to judicially appeal a tax decision
  • You want to evaluate tax arbitration option
  • You need support in tax enforcement or personal liability

What is included

Notifications and assessments analysis
Information request responses preparation
Administrative claims preparation
Judicial appeals
Tax arbitration requests (CAAD)
Defense in inspection procedures
Tax enforcement and personal liability support
Payment plan negotiation

How it works

01

Case analysis

Situation, documents and applicable deadlines assessment.

02

Defense strategy

Best approach and procedural path definition.

03

Preparation and submission

Procedural documents drafting and timely submission.

04

Follow-up

Process monitoring until final decision.

Information needed to start

  • Received notification or assessment
  • Position supporting documentation
  • Relevant tax declarations
  • Previous correspondence with Tax Authority
  • Response deadlines (if applicable)
  • Procedure history

Timeframes and influencing factors

Defense deadlines are generally short (15-30 days for administrative claim, 3 months for judicial appeal). Process duration varies according to chosen path.

Factors that may influence:

  • •Legal response deadline
  • •Issue complexity
  • •Chosen procedural path
  • •Documentation volume
  • •Expert evidence need

Frequently asked questions

Related Services

Tax Calculator

Simulate tax procedure costs in Portugal.

Learn more

Received a tax notification?

Submit documentation for analysis and defense options assessment.

The information provided is general and does not replace legal advice. Each situation requires its own analysis.

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WhatsApp (initial contact — no document sharing)