What regular reports and notifications does the ČNB require from investment funds?
For foreign investors, navigating a new regulatory landscape can seem daunting. The Czech Republic’s framework, however, is built on a foundation of stability and transparency, designed to align with the highest European standards. The reporting rules are not arbitrary hurdles; they are a critical component of maintaining a secure financial market that protects investors and ensures stability.

Key takeaways
A Practical Breakdown of Key ČNB Reports
The ČNB requires specific, structured data submitted in designated reports. For foreign managers, understanding the purpose and content of each report is essential for accurate and timely filing.
For Sub-Threshold Alternative Funds (§ 15 ZISIF): Decoding the Essentials
If you operate a so-called "minifund," your primary reporting obligations consist of two core annual reports and one newer, specialized report. These must be filed even if your fund is dormant or has not yet begun investing—a common compliance trap that leads to avoidable fines.
The ROFOS 36 - Hlášení podlimitního správce alternativního fondu (Report of the Sub-Threshold AIFM) focuses on the manager entity. It requires you to disclose key information about your operations, including your primary investment strategies, the main markets you trade in, and the total value of your Assets Under Management (AUM).
The ROFOS 37 - Hlášení o alternativním fondu podlimitního správce (Report on the Sub-Threshold AIF) shifts the focus to the fund itself. This report demands a detailed breakdown of the fund's portfolio, including the composition of its assets, the most significant investment instruments used, major market exposures, and a classification of your investors (e.g., domestic vs. foreign, professional vs. retail).
A newer requirement effective from 2025 is the DOFOS 15 report. This is specifically for § 15 ZISIF managers and serves one primary purpose: to report the total number of investors in your fund. This data allows the ČNB to monitor whether your fund has crossed the threshold of 20 non-qualified investors, which triggers the mandatory requirement to provide an auditor's report.
Reporting for Larger and Licensed Funds
While many foreign entities start with a § 15 ZISIF structure, ARROWS also provides comprehensive legal services for larger, fully licensed funds. These entities face more frequent and granular reporting obligations. For example, a Fund of Qualified Investors (FKI) must submit monthly statements on issued and redeemed shares (FKI (ČNB) 5-12), while other licensed funds file quarterly balance sheets (OFZ (ČNB) 10-04) and profit and loss statements (OFZ (ČNB) 20-04).
The Process in Practice: How, When, and Where to Submit
Understanding what to report is only half the battle; the process of submission is equally critical and fraught with potential pitfalls.
All regulatory reporting to the ČNB must be submitted electronically through its dedicated SDAT system. Foreign managers often find the system’s interface complex and not particularly user-friendly, making technical errors a common problem. Accessing the SDAT portal requires a qualified electronic signature based on a valid qualified certificate, which can be a significant administrative hurdle for entities without a physical presence in the Czech Republic.
The deadlines are strict and non-negotiable.
- January 31: Deadline for the annual ROFOS 36 and ROFOS 37 reports for the preceding calendar year.
- June 30: Deadline for the new DOFOS 15 report on investor numbers for the preceding calendar year.
Missing these deadlines, even by a day, is considered a regulatory breach.
Procedural Failures and Their Consequences
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Risks and Penalties |
How ARROWS Helps |
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Penalty for missing the Jan 31 deadline: Fines starting from CZK 50,000, increased regulatory scrutiny, and reputational damage. |
Proactive Compliance Management: We manage your reporting calendar and prepare submissions well in advance. Need legal help? Contact us at consultation@arws.cz. |
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Data rejection by the SDAT system due to formatting errors: Deemed a failure to file, triggering penalties for non-submission and requiring urgent correction. |
Technical Preparation and Submission: Our team ensures all data is correctly formatted for the SDAT portal and can submit reports on your behalf. Get tailored legal solutions by writing to consultation@arws.cz. |
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Failure to report zero activity ("nulový výkaz"): A common but costly mistake, resulting in fines for non-compliance despite no financial activity. |
Drafting Legally Required Documentation: We ensure all required reports, including zero-activity filings, are accurately completed and filed. For immediate assistance, write to us at consultation@arws.cz. |
The High Stakes of Non-Compliance: A Look at ČNB Sanctions
The ČNB has broad enforcement powers, and the financial and business consequences of non-compliance can be severe. The regulator's actions are not arbitrary; they often follow a pattern of escalation. A minor procedural error that is ignored can quickly evolve into a major business threat. Ignoring a formal inquiry from the ČNB is one of the most common reasons for penalties to be issued or increased.
Financial penalties vary widely based on the severity of the breach. For simple administrative failures like late filing by a minifund, fines typically range from CZK 50,000 to CZK 100,000. However, for more substantive issues, the penalties escalate dramatically. For example, the ČNB has fined financial institutions millions of crowns for submitting inaccurate liquidity data or for failures in their internal Anti-Money Laundering (AML) systems. In cases of unauthorized collection of funds, fines have reached CZK 15 million or more.
Beyond fines, the ČNB can impose even more damaging regulatory sanctions. These include issuing a public warning, ordering remedial actions, suspending your fund's activities, or banning specific individuals from holding managerial positions in any financial institution in the country. The ultimate penalty is de-registration from the ČNB's official list, which is a de facto termination of your right to operate and can lead to a total loss of investment.
Substantive Violations and Strategic Risks
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Risks and Penalties |
How ARROWS Helps |
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Submitting inaccurate data on asset composition or investor status: Substantial fines (e.g., millions of CZK), mandatory audits, and potential investor lawsuits. |
Legal Opinions and Data Review: We provide legal opinions on asset classification and review your data to ensure it meets ČNB's strict methodological requirements. Our lawyers are ready to assist you – email us at consultation@arws.cz. |
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Weak Anti-Money Laundering (AML) controls leading to reporting failures: Fines up to CZK 130 million, reputational collapse, and potential criminal liability. |
Preparation of Internal Company Policies: We draft and implement robust, compliant AML and risk management systems tailored to your fund's strategy. Do not hesitate to contact our firm – consultation@arws.cz. |
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Long-term failure to report or respond to ČNB inquiries: De-registration from the ČNB list, effectively terminating your ability to operate in the Czech Republic. |
Representation Before Public Authorities: We manage all communications with the ČNB and represent your interests in any formal proceedings. Need legal representation? Write to consultation@arws.cz. |
The ARROWS Advantage: Global Expertise from a Prague, EU Hub
As an international law firm operating from Prague, European Union, ARROWS combines deep local regulatory knowledge with a global perspective. Our experience shows that while the principles of AIFMD create a harmonized framework across Europe, the practical implementation differs in each member state.
For instance, Germany's regulator, BaFin, also requires AIFMD-derived reports to be submitted in XML format via a dedicated electronic portal (MVP). Similarly, the UK's Financial Conduct Authority (FCA) uses its own system (RegData) for submitting AIFMD-based reports known as AIF001 and AIF002. While the core data requirements are similar, the specific forms, submission systems, and local interpretations require expert guidance.
With a network built over 10 years, ARROWS is perfectly positioned to handle these cross-border complexities. We support over 150 joint-stock companies and 250 limited liability companies, operating in 90 countries worldwide. This extensive experience allows us to provide foreign clients with seamless, efficient legal support that anticipates challenges before they arise.
Your Next Step: Secure Your Fund's Compliance with ARROWS
Navigating the ČNB's reporting requirements is a critical task that demands precision, timeliness, and expert knowledge. ARROWS provides a comprehensive suite of services designed to ensure your fund remains fully compliant, allowing you to focus on your investment strategy. Our services include:
- Preparation of internal company policies (AML, risk management).
- Drafting all legally required documentation (ROFOS, DOFOS reports).
- Legal consultations to prevent penalties.
- Contract review (e.g., with administrators or auditors).
- Representation before the ČNB.
- Professional training for management on compliance obligations.
Ensure your investment fund operates seamlessly and securely within the EU. As a leading Czech law firm in Prague, EU, we provide the expert guidance you need. To schedule a consultation, contact our team today at consultation@arws.cz.
About the author
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Disclaimer:
The information contained in this article is for general informational purposes only and serves as a basic guide to the issue as of 2025. Although we strive for maximum accuracy, laws and their interpretation evolve over time. We are ARROWS Law Firm, a member of the Czech Bar Association (our supervisory authority), and for the maximum security of our clients, we are insured for professional liability with a limit of CZK 400,000,000. To verify the current wording of the regulations and their application to your specific situation, it is necessary to contact ARROWS Law Firm directly (consultation@arws.cz). We are not liable for any damages arising from the independent use of the information in this article without prior individual legal consultation.
