Wealth Investigations in Hungary in 2026–2027: What Can NAV Examine and How Can You Prepare?
Updated: Oct 27
The Hungarian government’s September 2026 announcement concerning wealth investigations into politicians has brought renewed attention to the question of how individuals’ assets relate to their declared income.But what do wealth investigations and related NAV tax audits in Hungary mean for business owners, company directors and private individuals? What documents can help explain the source of wealth, and what should you do if the Hungarian tax authority contacts you?
Why Are Wealth Investigations in Hungary Back in the Spotlight?
On 17 September 2026, the Hungarian government announced an initiative to introduce wealth investigations for certain current and former political officeholders. According to the announcement, the proposed checks would examine whether the assets and lifestyle of the individuals concerned are consistent with their taxed income and asset declarations. The initiative was directed at a specified group of political officeholders.
It is important to distinguish this initiative from the general tax audit and enforcement rules applicable to private individuals and businesses. The announcement does not, by itself, mean that every individual in Hungary will automatically be subject to a new wealth investigation.
The National Tax and Customs Administration of Hungary (NAV) may, however, examine the consistency of declared income, tax returns, financial transactions and supporting documentation within the scope of its lawful powers.
During a tax audit, the authority may assess whether tax returns, financial transactions and supporting records are consistent with one another.
For example, where an individual purchases high-value real estate, makes a substantial financial transfer or acquires a business interest, questions may arise about how the transaction was financed and whether the relevant circumstances can be documented.
An increase in wealth does not, in itself, indicate a tax irregularity. The important issue is whether the source of the funds, the circumstances of the transaction and the relevant tax obligations can be properly substantiated.
Who Should Pay Particular Attention to Their Records?
Reviewing financial documentation can be particularly useful for people with several sources of income, business owners, company directors, investors and individuals who acquire high-value assets.
Examples include:
Purchasing real estate using accumulated savings.
Using assets received through inheritance or a gift.
Financing a transaction with a private loan.
Using business income or dividends to acquire assets.
Using income or funds received from abroad.
These circumstances do not, in themselves, indicate a problem. However, it is important to retain relevant records so that the source of funds and the relationship between transactions, contracts and declared income can be explained if necessary.
Which Documents Should You Keep?
Proper documentation can make it significantly easier to respond to a tax authority enquiry. Depending on the circumstances, relevant records may include:
Previous tax returns and income statements.
Bank statements and records supporting significant financial transactions.
Real estate purchase agreements and other asset acquisition contracts.
Inheritance and gift documentation.
Loan agreements and evidence of loan disbursements and repayments.
Company records, dividend payment documents and relevant accounting information.
The documents required will depend on the nature and timing of the transaction and the tax issues involved. There is no single checklist that applies to every case.
The first step is to review the content and legal basis of the notice or request, together with any applicable deadlines.
It is important to establish what type of procedure is involved, which information or documents the authority is requesting, and how a response must be submitted. Any response should be accurate, consistent and supported by the available records.
If the request raises complex tax or legal issues, or could have significant financial consequences, it may be appropriate to seek legal advice before submitting a response. Missing a deadline or providing an inadequately considered statement may create additional difficulties.
How Can a Lawyer Help?
Legal assistance may help you understand a tax authority request, review the relevant documentation, prepare statements and assess the legal options available in your particular circumstances.
The appropriate course of action will depend on the facts of the case and the stage of the proceedings. For this reason, it is advisable to assess the situation individually rather than make decisions based on general assumptions.
Questions About a Wealth Investigation or a NAV Tax Audit?
If you receive a tax authority request, it is important to understand your legal options, the applicable deadlines and the documentation you may need to provide.
Major Gábor Law Firm provides tax law advice and legal representation. We can assist with interpreting NAV requests, reviewing relevant records and assessing the appropriate procedural steps in your case.
If you have already received a notice from NAV or would like to discuss the legal implications of a specific tax matter, please contact our office.
Request a legal consultation.
This article is for general information purposes only and does not constitute individual legal or tax advice.
