Inspection, Search and Information Request Processes

Inspection, Search, and Information Request Processes (Tax Procedure Law): Limits, Rights, and Effective Appeal Routes

Introduction: Why is this topic critical?

In tax audits, inspection, search, and information request are three fundamental tools, each differing in scope, basis, and outcome. Each has a strictly procedural process, and procedural errors can often lead to the annulment of tax assessments/penalties . This article examines the provisions of the Tax Procedure Law (VUK) , high court precedents , and practical appeal procedures , offering taxpayers and professionals a practical guide applicable in the field . (For the VUK system, see the GIB consolidated text; VUK 127–133, 142–147, 148–152.)

I. Inspection (Tax Procedure Law Articles 127–133): Definition, authority and limits

1) Legal basis and purpose

Article 127 of the Tax Procedure Law defines the purpose of an inspection as "to investigate and ascertain taxpayers and material events, records, and matters related to tax liability ." This shows that an inspection is essentially an on-site verification activity and should not be confused with a search or examination

2) Who can do it?

According to Article 128 of the Tax Procedure Law , inspections can be carried out by tax office directors, inspection officers, those authorized to conduct tax audits , and revenue experts. Identification is mandatory (Article 129).

3) Attendance form and e-attendance

Article 131 of the Tax Procedure Law (VUK) mandates that the inspection results be recorded in an inspection report . Article 132/A of the VUK regulates e-inspections ; the procedures for signing/notifying the electronic inspection report have been clarified. The Tax Inspection Board (VDDK ) has emphasized that informing the taxpayer and operating the signature/notification mechanisms in e-inspections is absolutely necessary, otherwise it will result in a legal violation.

4) Widespread and intensive surveillance practices

Inspections widespread/intensive audit campaigns targeting specific sectors, regions, or taxpayer groups. The basis for such audits Articles 127-128 of the Tax Procedure Law .

5) The difference between attendance check and call

An inspection is a verification process; it does not require a judge's decision . A search , on the other hand, is a protective measure carried out under Articles 142 et al. of the Tax Procedure Law, with a decision from the Magistrates' Court . This distinction is crucial both in terms of evidentiary law and the right to appeal . (See IV. Appeals and Litigation Procedures: Which procedure, which method?)

6) Common procedural errors

Missing signatures/notifications: In the e-inspection process, a unique code , and proper notification requirements were not met.
Preparatory procedure confusion: The inspection report is often not an enforcement action in itself; it forms the basis for the main tax assessment/penalty process. Nevertheless, the direct cancellation can be requested; in practice, this is generally a preparatory action .

7) How to file an objection against the attendance check?

Step 1: A dissenting opinion should be recorded on the spot during the roll call ; the points should be written down in detail (personal observation, time, person, method of identification).
Step 2: If there is a subsequently notified tax assessment/special irregularity penalty , an annulment lawsuit is filed in the tax court within 30 days in accordance with Article 7 of the Administrative Procedure Law ; procedural/formal deficiencies in the inspection are argued on the grounds that they invalidate the basis of the main transaction (e.g., signature/notification errors, failure to conduct on-site inspection, lack of concreteness/objectivity).

II. Search and Seizure (Tax Procedure Law Articles 142–147): Exceptional inspection, strict procedure

1) Circumstances under which searches may be conducted (Tax Procedure Law, Article 142)

If there are indications of tax evasion as a result of a tip-off or investigation , a search may be conducted at the premises of the taxpayer or persons suspected of involvement in the evasion . However, there are two strict conditions for this : (i) A request for a search must be submitted to the Magistrates' Court by those authorized to conduct tax audits , with a reasoned written statement , and (ii) The court must issue a written decision .

Important: Since Article 142 of the Tax Procedure Law (VUK) contains a specific provision, searches related to taxation must be conducted through the method specific to the VUK , not through the general provisions of the Code of Criminal Procedure (CMK ); searches conducted in any other way may be considered unlawful . Supreme Court rulings particularly emphasize this distinction.

2) The execution of the search and its connection to the Code of Criminal Procedure (Article 147 of the Tax Procedure Law)

The Tax Procedure Law (VUK) refers to the provisions of the Code of Criminal Procedure (CMK) regarding searches in cases where there is no explicit provision . This means that the principles of the CMK regarding notification of the search , those present , and the minutes will also be observed

3) Seizure and preservation (Tax Procedure Law, Articles 143–146)

The books/documents found during the search and requiring examination can be recorded in a detailed report and kept secure . The taxpayer has the right to process the records that they could not process in a timely manner due to the seizure at a later date (Article 146). This right is a critical safety valve for business continuity.

4) Consequences of an unlawful search

If a tax-related search is conducted without adhering to Article 142 of the Tax Procedure Law (VUK), the evidence obtained cannot be used as the basis for a judgment in criminal proceedings (Constitution Article 38/6, Code of Criminal Procedure Article 217/2). The established approach of the Supreme Court is that evidence arising from searches conducted by bypassing the special procedure of Article 142 of the VUK will be disregarded .

5) Objection to the search warrant (Code of Criminal Procedure, Article 268)

A search warrant or its refusal may be appealed in accordance with Article 268 of the Code of Criminal Procedure (CMK ) . The appeal must be submitted within 7 days to the Magistrates' Court that issued the warrant ; the competent authority is determined according to CMK Article 268 (e.g., the next most numerous Magistrates' Court). This procedure also applies to tax-related searches.

6) Defense strategy in practice

Chain of authority check: Whether the request was issued by the person/authority authorized to conduct the tax audit
The concreteness of the evidence: What evidence was the decision based on ?
Exceeding the scope of the search: Locations/persons outside the scope of the decision.
Record keeping and preservation procedure: Detailed identification, sealing, and return process.
Law of evidence: Request to exclude evidence obtained through illegal searches .

III. Request for Information (Articles 148–152 of the Tax Procedure Law): Scope, Relationship with the Personal Data Protection Law, and Sanctions

1) From whom and how should information be requested?

Article 148 of the Tax Procedure Law : Public administrations, taxpayers, and all natural/legal persons conducting transactions with taxpayers are obliged to provide the information requested by the Tax Administration or tax audit authorities, either in writing or orally . Information requested orally and not provided will be reiterated in writing , and a reasonable time period will be given. There is no requirement for compulsory attendance .

Article 149 of the Tax Procedure Law: Continuous information disclosure obligations (e.g., periodic reports between banks and institutions) may be imposed.

2) Special penalty for irregularities (Article 355, repeated)

In cases of failure to provide information, late provision, or incomplete provision, a special penalty for procedural irregularities may be imposed in accordance with Article 355 (repeated) . The VDDK (Voluntary Dispute Resolution Board ) has explicitly confirmed the applicability of Article 355 (repeated) in connection with obligations under Articles 148-149 and 257 (repeated)

3) Relationship with and basis of the KVKK (Personal Data Protection Law)

A request for information by the tax administration fulfills the condition of "explicitly provided for in the law" (Article 5/2-a of the Personal Data Protection Law). Furthermore, according to Article 28/2-ç of the Personal Data Protection Law , data processing activities related to the protection of the state's budget/tax interests benefit from a certain degree of exemption . Therefore, provided the information request is in accordance with the Tax Procedure Law, proportionate, and appropriate to the purpose, there is no conflict with the Personal Data Protection Law.

Principle: The administration's information request must be proportionate ; it must directly relate to taxation ; and a balance between trade secrets and personal data must be maintained. In cases of violations, in addition to tax courts, applications/complaints under the Personal Data Protection Law (KVKK) can also be considered.

4) A practical roadmap for responding to information request letters

Time management: Don't miss the response deadline (or the second deadline if it's a single message) depending on the type of message
Framing: the request to tax-related matters ; narrow down any requests that veer into irrelevant/personal areas with justification.
Documented delivery: List the information/documents you provided and record them in a written document .
Appeal/Complaint: In case of excessive or unauthorized demands application to a higher authority, complaint under the Personal Data Protection Law (KVKK ), and (if a penalty has been imposed) an annulment lawsuit in the tax court.

IV. Appeals and Legal Remedies: Which remedy for which action?

1) Attendance

A direct appeal for annulment is usually not possible (preparatory action). A tax court appeal against the original assessment/penalty is required within 30 days . The appeal petition argues that the irregularity/deficiency of the inspection invalidates the underlying assessment

2) Search

Objection to search warrant: 7 days; 268 of the Code of Criminal Procedure.
Illegally obtained evidence: Exclusion request in criminal proceedings
Seized documents: with the curriculum and return procedures.

3) Requesting information

a special penalty for irregularities (repeated Article 355) has been imposed, its annulment should be sought in the tax court (considering proportionality, jurisdiction, reason-subject-form, and the irrelevance of the claim to taxation). The VDDK 2024 approach should be taken into account.
Personal Data Protection Law (KVKK) aspect: Complaint to the Board if necessary + administrative court proceedings .

V. Application Scenarios: Step-by-step in the field

Scenario A — “The e-attendance sheet arrived; a special penalty for irregularities has been imposed.”

The receipt's method is checked against: e-signature/unique code/notification method
The concreteness of the findings: "daily revenue determination," "sign inspection," "address verification," etc., concrete observations or general opinions? The Council of State approaches abstract findings with suspicion .
Lawsuit: An appeal for annulment within 30 days; it is argued that the basis of the main penalty is flawed , based on the understanding that the inspection is a preparatory procedure .

Scenario B — “Call request at the door”

View the decision: Written decision and request letter from the Magistrates' Court .
Jurisdiction check: the requesting party authorized to conduct the tax audit?
Scope: The decision does not cover areas outside of the addresses/neighborhoods/persons listed .
Record: Curriculum-based identification, sealing, and return processes.
Next: Objection under Article 268 of the Code of Criminal Procedure , exclusion of irregularly obtained evidence .

Scenario C — “Requesting comprehensive information from the bank/supplier”

Relevance/proportionality test: The request related to taxation and not exceed its purpose .
The framework of the Personal Data Protection Law (KVKK): Basis of the Tax Procedure Law (VUK) + KVKK Article 5/2-a & Article 28 exceptions.
Answer: the timeframe , a list ; presentation with unnecessary personal data masked/minimized .
Sanction: Action to annul the special irregularity penalty ; defense of disproportionate/irrelevant claim.

VI. Evidence and Proof: The weight of the inspection report, the impact of the search report

While the principle of freedom of proof prevails in tax litigation , inspection reports and search warrants, as official documents , constitute strong initial evidence ; however, irregularities in procedural/formal requirements weaken their evidentiary value . In e-inspections, errors in signature/notification can lead to the annulment of the underlying transaction . In searches, irregularities in Article 142 of the Tax Procedure Law lead to the exclusion of evidence in a criminal case

VII. Common mistakes and practical solutions

Failure to present identification (attendance check): Note this in the report; add a comment.
The e-attendance notification chain is broken: test the unique code/signature/notification trio one by one
The search request was made via the Code of Criminal Procedure: If it relates to a tax crime, Article 142 of should be used; exclusion of evidence.
Excessive information request: The basis of the Tax Procedure Law and the exception under the Personal Data Protection Law should be analyzed together; for narrowing the scope should be made in writing.
Vulnerability in special irregularity penalties: Discuss the notification-time-authority-reason-subject-form chain item by item within the context of Article 355 ( repeated); base your analysis on the 2024 VDDK (Voluntary Court of Appeals) jurisprudence

VIII. FAQ

What is the fundamental difference between a checkpoint and a search? A checkpoint is a process of identification and does not require a court order . A search is a protective measure carried out with a decision from the Magistrates' Court ; the procedure is determined by Articles 142-147 of the Tax Procedure Law .

How to appeal a search warrant? An appeal must be filed within 7 days of learning of the warrant , in accordance with Article 268 of the Code of Criminal Procedure ; the competent authority may be the next numbered magistrates' court in line with the judgment , etc.

Can I be forcibly taken to the tax office to provide information? No. Article 148 of the Tax Procedure Law adopts the principle of "no forced appearance"; however, a special penalty for irregularities may be imposed after a written reminder

Can a lawsuit be filed directly against an inspection report?
generally a preparatory measure ; a lawsuit is filed against the main tax assessment/penalty , and the defects in the inspection report are raised in that lawsuit.

Can evidence obtained through illegal searches be used?
In tax crimes, Article 142 of the Procedure Law is not followed, the evidence is disregarded (Article 38/6 of the Constitution, Article 217/2 of the Code of Criminal Procedure).

IX. Framework (summary) for draft petitions

A) Objection to the search warrant (Article 268 of the Code of Criminal Procedure):

Procedural defects: The claimant's authority (Article 142 of the Tax Procedure Law), and the concreteness of the grounds and evidence.
Scope: Search of a location/person outside of a court order.
Record/preservation: Deficiencies in the detailed assessment (Tax Procedure Law Articles 143–146).
Outcome: The search warrant has been lifted; seized items have been returned.

B) Cancellation of the special irregularity penalty (Article 355, repeated):

Authority/Form: The legality of the request letter.
Reason/Subject: The obligation to be relevant and proportionate in taxation (Tax Procedure Law Articles 148–149; Corporate Tax Law Article 5/2-a, 28).
Unlawful findings: e-inspection/procedural errors.
Request: Annulment of the penalty, reimbursement of court costs.

X. Conclusion: Three golden rules for effective defense

Procedure takes precedence over substance: Inspection/search/information request; each requires a separate procedure and a separate appeals process
Documentation and commentary: On-site commentary, detailed minutes, the chain of notificationdetermine the fate of the dispute.
A case law-based strategy: the VDDK 2024 line in e-inspections ; emphasis on VUK 142 in searches; and the repeated application of 355 and the proportionality of the KVKK in information requests —this forms the backbone of the defense.

References/Citations (Selected, quick access)

Main text and articles of the Tax Procedure Law (VUK): Consolidated text of the Revenue Administration Law (VUK 127–133; 142–147; 148–152).
Attendance & e-attendance: VDDK bulletin (2024) – e-attendance signature/notification procedure.
Search and seizure: Articles 142-147 of the Tax Procedure Law; Prof. Dr. Ersan Şen's assessment (summary), application and connection to the Code of Criminal Procedure.
The Supreme Court's approach: In tax crimes, evidence is disregarded if the search is conducted using a method other than Article 142 of the Tax Procedure Law .
Request for information & repeated 355: VDDK (2024) – 148–149–repeated 257 based special irregularity line.
Relationship with the Personal Data Protection Law (KVKK): Tax-focused data processing and exemption regime within the context of KVKK Article 5/2-a and Article 28/2-ç
Tax Audit Board (official): Taxpayer obligations and audit practices.

Appendix: Mini checklists for the field

At the time of roll call:

Have the identity and authorization documents been seen? (Article 129)
the findings concrete or general opinion ?
Note: Record any objections/concerns in the minutes.

Before/during the search:

Is the request from an authorized person ? Is the decision from a Magistrates' Court ? (Article 142)
Are there any out-of-coverage calls?
the prescribed verification/sealing/return process been completed? (Articles 143–146)
Prepare an appeal under Article 268 of the Criminal Procedure Code if necessary .

In the information request letter:

Is it directly related to taxation ? Is it proportionate ?
the verbal request confirmed in writing ?
Establish a balance with the Personal Data Protection Law; mask unnecessary personal data .
An appeal must be filed within 30 days of receiving a special penalty notice for irregularities

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