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Filing a Case in the Central Tax Court: Steps, Time Limits and Pre-Filing Considerations

If the outcome of the appeal is still considered unfair, the assessed taxpayer retains the right to bring a case before the Central Tax Court. This article explains what the court is, which cases can be filed there, the time limit, the stages of a case, and what to consider before deciding to sue.

When a taxpayer has been assessed and has exercised the right of appeal to the Commission of Appeal, but the outcome is still considered unfair, the law still allows the case to be brought before a court. The court with specific jurisdiction over tax cases is the Central Tax Court.

Filing suit is a stage that requires strong legal arguments, well-prepared evidence and action within the time limits set by law. This article summarizes the essentials a taxpayer should know before deciding.

I
Contents
  1. What Is the Central Tax Court?
  2. Which Cases Can Be Filed in the Central Tax Court?
  3. Time Limits and Conditions Before Filing
  4. The Stages of a Case in Brief
  5. Considerations Before Deciding to Sue
  6. Frequently Asked Questions
  7. Considering a tax lawsuit, or have you received an appeal decision?

What Is the Central Tax Court?

The Central Tax Court is a specialized court established under the Act on the Establishment of and Procedure for Tax Court B.E. 2528 (1985)1. It has specific jurisdiction to try and adjudicate tax disputes, with panels of judges who have expertise in the field and a procedure designed for tax cases, which often involve complex issues of law and of accounting fact.

The existence of this specialized court reflects how tax cases differ from ordinary civil cases: in the principles of tax law, in the interpretation of statutory provisions, and in the proof of financial facts.

Tax cases have a specialized court of their own, so preparing a case calls for an understanding of both tax law and court procedure.
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Which Cases Can Be Filed in the Central Tax Court?

In general, the cases within the jurisdiction of the Central Tax Court cover several kinds of tax dispute, for example:

The precise scope of jurisdiction is set by the Act on the Establishment of and Procedure for Tax Court and related laws, so whether a particular case can be filed in this court should be checked against the facts and the legal basis of each case.

III

Time Limits and Conditions Before Filing

Time limits are decisive in tax cases. Where a taxpayer disagrees with the decision of the Commission of Appeal, the case must generally be filed with the Central Tax Court within 30 days from the date of receiving notice of the appeal decision2. Once this period has passed, the taxpayer loses the right to challenge that assessment in court. In addition, Section 31 of the Revenue Code provides that an appeal is not a deferral of tax payment. Tax not paid within the time prescribed by law is therefore treated as tax arrears, which can be enforced while the appeal is still pending, unless the Director-General has granted permission to await the appeal decision or the court’s judgment.

Beyond the time limit, other conditions must be considered, such as paying the tax or providing security, and the options for requesting a stay of enforcement while the case is being heard, so that payment is not enforced before the case becomes final. Planning these points from the outset has a major effect on liquidity and on the case itself.

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The Stages of a Case in Brief

Proceedings in the Central Tax Court generally consist of filing the plaint together with the allegations and evidence, the filing of an answer (statement of defense) by the other side, the settlement of issues (the framing of the issues in dispute), the taking of evidence, and the delivery of judgment. A party that disagrees with the judgment still has the right to appeal to a higher court as provided by law.

Because tax cases turn on both the interpretation of the law and the proof of accounting and documentary facts, drafting the plaint, organizing the evidence and presenting the issues systematically are all important to the outcome.

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Considerations Before Deciding to Sue

Before deciding to take a case to court, several key factors should be assessed: the strength of the legal arguments and the evidence that will be relied on, the amount in dispute and the costs of litigation, how long the case may take, and the options for payment or a stay of enforcement during the case. A rounded assessment of cost-effectiveness and the prospects of the case supports the right decision, whether that is filing suit, negotiating a settlement of the dispute, or another option that best limits the damage. This should be done under the guidance of specialists in tax litigation.

Key points

Frequently Asked Questions

What is the Central Tax Court?

It is a specialized court established under the Act on the Establishment of and Procedure for Tax Court B.E. 2528 (1985), with specific jurisdiction to try and adjudicate tax disputes.

How many days do I have to file a tax case in court?

If you disagree with the appeal decision, you must generally file suit with the Central Tax Court within 30 days from the date of receiving notice of the appeal decision.

What should be considered before filing a tax case?

The strength of the legal arguments and evidence, the time limit, the amount in dispute and the costs, and the options for payment or a stay of enforcement during the case, so as to assess the cost-effectiveness and prospects of the case.

Related articles and services

Assessed for back taxes: the best way forward (Thai)The options available before the case reaches court Appealing land and building tax (Thai)Objections under Section 73 and the appeal before suing in the Tax Court Received a letter of invitation from the Revenue Department? (Thai)Preparing from the very first stage Tax appeal and litigation servicesRepresentation from the appeal stage through to court

Considering a tax lawsuit, or have you received an appeal decision?

Send us your notice of assessment or appeal decision to review first. We will help assess the case, the strength of the issues and the most suitable approach within the time limit, drawing on more than 25 years of experience in legal and tax practice.

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Relevant provisions and sources

  1. Establishment and jurisdiction of the Central Tax Court: Act on the Establishment of and Procedure for Tax Court B.E. 2528 (1985)
  2. Time limit for appealing to, or filing suit in, the court after the appeal decision: Revenue Code, Section 30 (2), read with the law on the establishment of the Tax Court
  3. An appeal is not a deferral of tax payment, and permission to await the appeal decision or the court’s judgment: Revenue Code, Section 31
Legal notice — This article is general information and is not advice on any particular case. Tax litigation requires the facts, the law and the time limits to be assessed case by case, under a written engagement agreement. Section references follow the Revenue Department’s official English translation of the Revenue Code. This page is a translation for information of the Thai original. The Thai text prevails.