Prospectus Requirements in Turkish Capital Market Law

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Introduction

Prospectus requirements in Turkish Capital Market Law are among the most important legal obligations for issuers, public offerors, listed companies, investment institutions and investors. A prospectus is the central disclosure document used in public offerings and admission of capital market instruments to trading. It enables investors to evaluate the issuer, the securities, risk factors, financial position, management structure, legal disputes, rights attached to the instruments and the purpose of the offering.

In Turkey, the main legal basis for prospectus requirements is Capital Markets Law No. 6362. The law requires a prospectus to be prepared and approved by the Capital Markets Board of Türkiye, known as the CMB in English and SPK in Turkish, before capital market instruments can be publicly offered or traded on the exchange. Article 4 of Capital Markets Law No. 6362 expressly states that capital market instruments may be publicly offered or traded on the exchange only if a prospectus is prepared and approved by the Board.

The prospectus regime is not a mere administrative formality. It is a legal mechanism designed to protect investors, ensure transparency, prevent misleading offerings and support fair capital markets. A company that intends to conduct an initial public offering, issue shares, sell debt instruments, offer lease certificates or have capital market instruments traded on Borsa İstanbul must analyze whether a prospectus is required, what information must be disclosed, who is responsible for the prospectus and how the approval process must be managed.

Legal Framework of Prospectus Requirements in Turkey

The principal legal source is Capital Markets Law No. 6362, especially Articles 4 to 10, which regulate the obligation to prepare a prospectus, the authority of the CMB, approval of the prospectus, publication, advertisements, amendments, validity period and persons responsible for the prospectus. The legal structure places prospectus requirements under the broader section concerning issuance of capital market instruments, public disclosure and issuers.

The main secondary regulation is the Communiqué on Prospectus and Issue Document II-5.1. The CMB’s legal framework lists this communiqué as one of the core regulations under capital market instruments, together with the Communiqué on Sales of Capital Market Instruments II-5.2, Communiqué on Shares VII-128.1, Communiqué on Debt Securities VII-128.8 and other instrument-specific regulations.

The SPK’s application process guidance confirms that, in applications for issuance of capital market instruments such as shares, debt instruments and lease certificates, the relevant instrument-specific regulation must be considered together with the II-5.1 Prospectus and Issue Document Communiqué and the II-5.2 Communiqué on Sales of Capital Market Instruments.

Therefore, a prospectus review in Turkey should not be limited to one article of the law. The issuer must examine Capital Markets Law No. 6362, the II-5.1 Communiqué, the II-5.2 Communiqué, the specific communiqué applicable to the relevant instrument, Borsa İstanbul rules if listing is intended, financial reporting rules, corporate governance rules and material event disclosure rules.

What Is a Prospectus Under Turkish Capital Market Law?

A prospectus is a disclosure document prepared for investors before a public offering or admission to trading. It contains information about the issuer, the capital market instruments, risks, financial statements, rights of investors, offering structure and other material matters.

Article 4 of Capital Markets Law No. 6362 requires that the information included in the prospectus be presented in a manner that investors can easily understand and evaluate. The same article also provides that the names, duties and identifying details of persons responsible for the prospectus must be clearly stated.

This requirement is significant. A prospectus should not be drafted only for lawyers, investment bankers or regulators. It must be understandable for investors. Complex legal language, hidden risks, unclear financial explanations or misleading optimism may defeat the purpose of the prospectus and create liability.

The prospectus may be prepared as a single document or as more than one document. The SPK’s 2013 announcement on the II-5.1 Communiqué explains that the new regime allowed the prospectus to be prepared not only as one document, but also as multiple documents consisting of an issuer information document, capital market instrument note and summary, thereby providing flexibility to issuers.

When Is a Prospectus Required?

The general rule is clear: a prospectus is required when capital market instruments are publicly offered or admitted to trading on the exchange. The SPK’s application guidance states that, for capital market instruments to be publicly offered or traded on the exchange, a prospectus must be prepared and approved by the CMB.

This means that the prospectus obligation may arise in several situations, including:

1. Initial public offering of shares
2. Secondary public offering of existing shares
3. Capital increase through public offering
4. Public offering of debt securities
5. Public offering of lease certificates
6. Admission of capital market instruments to trading on Borsa İstanbul
7. Public sale of foreign capital market instruments in Turkey
8. Public offering of other instruments designated by the CMB

The legal trigger is not only the name of the transaction. The substance matters. If a company invites the public to invest in capital market instruments, the prospectus regime may apply. Calling the transaction a “partnership campaign,” “investment opportunity,” “profit-sharing model” or “pre-sale investment” does not automatically avoid capital market law.

Prospectus vs. Issue Document

Turkish Capital Market Law distinguishes between a prospectus and an issue document. A prospectus is generally required for public offerings and admission to trading. An issue document is generally relevant for issuances without public offering.

The SPK’s application guidance states that, in issuances without public offering and in foreign issuances, except for capital market instruments for which an announcement text is prepared under the II-5.1 Communiqué, an issue document must be prepared and approved by the CMB where the issuer carries out an issuance without preparing a prospectus.

This distinction is important for issuers. A private placement or qualified investor sale may not require a full public offering prospectus, but this does not mean that the transaction is unregulated. The issuer may still need an approved issue document, corporate approvals, investor classification, sale restrictions and compliance with the relevant instrument-specific rules.

For investors, the distinction also matters. A public offering prospectus is designed for a broad investor base, including retail investors. An issue document may be used in a more limited issuance context, where investors may be qualified or institutional. The level, form and purpose of disclosure may differ.

Content of the Prospectus

The prospectus should contain sufficient information to allow investors to make an informed investment decision. It should include information about the issuer, the securities, financial condition, management, risk factors, shareholding structure, legal disputes, material contracts, use of proceeds and rights attached to the capital market instruments.

Article 4 of Capital Markets Law No. 6362 states that the prospectus may include information regarding the issuer and the capital market instruments, together with a summary section. The summary must contain the basic features, rights and risks concerning the issuer, any guarantor, the nature of the guarantee and the capital market instruments, using short, clear and understandable wording.

In practice, a well-prepared prospectus should include at least the following categories:

• Identity and legal status of the issuer
• History and business activities of the issuer
• Shareholding and group structure
• Board of directors and senior management
• Financial statements and selected financial information
• Risk factors specific to the issuer and securities
• Material contracts and commercial dependencies
• Legal proceedings, disputes and regulatory investigations
• Related-party transactions
• Capital structure and shareholder rights
• Dividend policy
• Use of proceeds
• Terms and conditions of the offering
• Tax considerations where relevant
• Responsibility statements
• Summary section

The most important point is that the prospectus must be balanced. It should not read like a sales brochure. It must disclose not only strengths and opportunities but also risks, uncertainties and potential adverse developments.

Risk Factors in a Prospectus

Risk factors are one of the most important parts of a prospectus. Investors need to understand what can go wrong. A prospectus that emphasizes growth, profitability and market opportunity but hides material risks may mislead investors.

Risk factors should be specific, clear and relevant. Generic statements such as “the company may be affected by market conditions” are usually insufficient by themselves. The issuer should explain sector-specific risks, financial risks, legal risks, operational risks, regulatory risks, tax risks, currency risks, litigation risks, customer concentration, supplier dependency, debt exposure, liquidity risks and risks attached to the securities.

For example, a technology company should disclose intellectual property risks, data protection risks, cybersecurity risks and dependence on key personnel. A real estate company should disclose title risks, zoning risks, construction delays, valuation risks and financing risks. A manufacturing company should disclose supply chain risks, energy cost risks, environmental obligations and export market risks.

Risk disclosure is not intended to frighten investors. It is intended to create informed consent. Investors may still decide to invest after reading the risks, but they should not be misled into believing that the investment is risk-free.

CMB Approval of the Prospectus

The prospectus must be approved by the CMB before the public offering or trading admission can proceed. Article 4 of Capital Markets Law No. 6362 makes CMB approval mandatory for public offering or exchange trading of capital market instruments.

CMB approval is a disclosure-based regulatory review. It should not be understood as a guarantee that the investment is profitable, safe or risk-free. The issuer and other responsible persons remain responsible for the accuracy and completeness of the information in the prospectus.

During the approval process, the CMB may request amendments, additional explanations, updated financial information, further risk disclosure or changes to the structure of the document. Issuers should respond carefully. Incomplete or evasive responses may delay the process and increase regulatory scrutiny.

The CMB’s role is especially important because investors rely on the prospectus. A properly reviewed prospectus contributes to transparency and market confidence. However, the burden of truthful disclosure remains on the issuer and responsible persons.

Publication of the Prospectus

Approval alone is not sufficient. The prospectus must also be published and made available to investors in the legally required manner. Article 7 of Capital Markets Law No. 6362 is included among the provisions governing publication, announcements and advertisements related to the prospectus.

The purpose of publication is to ensure that investors can access the prospectus before making an investment decision. If a prospectus is approved but not properly published, investor protection is incomplete. Investors must have sufficient time and opportunity to review the document, risk factors and offering terms.

In modern practice, publication usually involves electronic disclosure channels and issuer or intermediary institution websites, depending on the applicable rules and offering structure. Public companies and Borsa İstanbul-related disclosures may also involve KAP where required.

The issuer should ensure that the published version is identical to the approved version. Unapproved changes, selective summaries or inconsistent marketing materials may create liability.

Advertisements and Marketing Materials

Advertisements and marketing materials related to a public offering must be consistent with the prospectus. The II-5.1 Communiqué regulates not only preparation, approval and public announcement of the prospectus and issue document, but also principles concerning announcements and advertisements. The official text of the communiqué states that its purpose is to regulate the preparation, approval and publication of prospectuses and issue documents, as well as principles relating to announcements and advertisements.

This is highly important in practice. Public offerings are often marketed through investor presentations, press releases, websites, interviews, roadshows, social media posts and intermediary institution materials. These communications must not contradict the prospectus or present the investment in a misleading manner.

Problematic statements may include:

• “Guaranteed return”
• “Risk-free investment”
• “Certain profit opportunity”
• “The share price will increase after listing”
• “The CMB has approved the investment quality”
• “This is the safest investment in the sector”
• “The company has no material risk”

Marketing materials should be reviewed by legal counsel before publication. In particular, social media campaigns should be handled carefully because broad public communication may easily cross regulatory boundaries.

Amendments and New Developments After Prospectus Approval

A prospectus is not frozen in time. If significant new developments occur after approval but before completion of the offering, the prospectus may need to be amended or supplemented. Article 8 of Capital Markets Law No. 6362 specifically concerns changes in the prospectus and the addition of new matters to the prospectus.

This rule protects investors against outdated disclosure. If a company’s financial position deteriorates, a major lawsuit is filed, a material contract is terminated, regulatory approval is lost, a significant debt becomes due or another important development occurs, investors should not be forced to rely on an outdated prospectus.

Issuers should therefore maintain a monitoring process during the offering period. The legal, finance and management teams should review whether any new fact requires disclosure, amendment or suspension of the offering process. Failure to update the prospectus may lead to investor claims and CMB sanctions.

Validity Period of a Prospectus

Article 9 of Capital Markets Law No. 6362 concerns the validity period of the prospectus. The validity period is important because financial and legal information can become outdated. A prospectus based on old financial statements or outdated risk disclosures cannot indefinitely support future offerings.

Issuers planning multiple offerings should consider whether an existing prospectus is still valid or whether a new prospectus, supplement or updated document is required. This is especially relevant for shelf offerings, repeated debt issuances, capital increases and issuers with rapidly changing financial conditions.

From an investor protection perspective, the validity period ensures that investors receive current information. From an issuer perspective, it requires continuous planning and document management.

Prospectus Exemptions and Cases Where Prospectus Is Not Required

Not every issuance requires a prospectus. Turkish capital market legislation recognizes exemptions and cases where a prospectus is not required. However, exemptions must be interpreted carefully.

The SPK’s application guidance states that, except for initial public offerings of shares, if the total sale value of the publicly offered capital market instrument is below TRY 5,000,000, the CMB may grant an exemption from the prospectus preparation obligation upon request, provided that an announcement text containing necessary public disclosure information in the standard determined by the CMB is published.

This exemption is not automatic. It depends on the conditions and CMB assessment. The issuer should not assume that a small offering is always outside prospectus requirements. A formal legal review and, where necessary, CMB application should be made.

Another important rule concerns crowdfunding. Article 4 of Capital Markets Law No. 6362 provides that, without prejudice to other laws on collecting aid and donations, money collection from the public through crowdfunding is carried out through crowdfunding platforms authorized by the CMB and is not subject to the prospectus or issue document preparation obligations under that law.

This does not mean crowdfunding is unregulated. It means that crowdfunding has a separate regulatory route. Platforms must be authorized, and crowdfunding activities must comply with the relevant CMB framework.

Responsibility for the Prospectus

Prospectus responsibility is a central issue in Turkish Capital Market Law. Article 10 of Capital Markets Law No. 6362 is specifically titled “Persons responsible for the prospectus.”

The law requires responsible persons to be identified in the prospectus. Article 4 states that the names and duties of real persons responsible for the prospectus, and the titles, headquarters and contact information of legal persons responsible for the prospectus, must be clearly indicated.

This requirement prevents anonymity. Investors should know who stands behind the disclosure. The issuer, public offeror, directors, signatories, intermediary institutions, auditors or other responsible persons may face liability depending on their role and the nature of the misstatement.

Responsibility may arise from false, misleading or incomplete information. It may also arise where material information is omitted. A prospectus can be misleading not only because of what it says, but also because of what it fails to say.

Liability Risks for Issuers

Issuers face significant liability risks in relation to prospectuses. If the prospectus contains inaccurate financial information, undisclosed litigation, hidden debt, exaggerated projections, incomplete risk factors or misleading statements about business operations, investors may claim that they invested based on defective disclosure.

Before signing or submitting a prospectus, the issuer should conduct legal, financial, tax and operational due diligence. This review should cover corporate records, board and general assembly resolutions, share capital, shareholder rights, material contracts, employment matters, intellectual property, regulatory permits, real estate, litigation, enforcement proceedings, tax disputes and related-party transactions.

The issuer should also verify that financial statements are consistent with independent audit reports and internal records. A mismatch between the prospectus and company records may create serious legal exposure.

Liability Risks for Directors and Managers

Directors and senior managers may also face liability if they participate in the preparation or approval of a misleading prospectus. They should not treat prospectus approval as a routine corporate act. A prospectus is a market-facing legal document relied upon by investors.

Directors should ask whether the risk factors are realistic, whether financial information is current, whether pending litigation is disclosed, whether related-party transactions are properly explained and whether the use of proceeds is accurate. If directors ignore obvious risks or approve a document without proper review, they may be exposed to liability.

Managers who provide information for the prospectus should also act carefully. Incorrect operational data, inflated sales figures, undisclosed customer dependency or inaccurate management statements may create responsibility.

Liability Risks for Intermediary Institutions

Intermediary institutions involved in a public offering also have important responsibilities. They may assist in structuring the offering, preparing documents, collecting demand, marketing the securities and conducting sales. Their role may expose them to liability if they fail to act in accordance with professional standards.

An intermediary institution should not rely blindly on issuer statements. It should conduct appropriate due diligence within the scope of its role, review risk disclosures, ensure consistency of marketing materials and avoid exaggerated statements to investors.

If the intermediary institution distributes marketing materials inconsistent with the prospectus, promises returns or pressures investors without adequate disclosure, it may face regulatory and civil consequences.

Prospectus and Investor Protection

The prospectus regime exists primarily to protect investors. Investors usually do not have access to the issuer’s internal records, contracts, board discussions, tax files or litigation documents. They rely on the prospectus to understand the investment.

A well-prepared prospectus allows investors to compare opportunities, price risk and make informed decisions. A defective prospectus distorts investment decisions and undermines trust in the market.

However, investor protection does not mean that the investment is guaranteed. The prospectus informs investors of risks; it does not eliminate those risks. Share prices may fall, debt instruments may default, business plans may fail and market conditions may change. The legal protection concerns accurate disclosure, not guaranteed profit.

Prospectus in Initial Public Offerings

In an IPO, the prospectus is especially important because the company is entering the public market for the first time. Investors may have limited historical access to the company’s information. The prospectus becomes the main source for evaluating the issuer.

An IPO prospectus should clearly explain the company’s history, business model, sector position, financial performance, risk factors, shareholding structure, corporate governance, dividend policy and use of proceeds. If existing shareholders are selling shares, the prospectus should explain who receives the proceeds and how the sale affects the company.

For companies preparing an IPO, prospectus preparation should start early. Corporate restructuring, due diligence, audited financial statements, legal review and risk assessment take time. A rushed prospectus may create regulatory delays and liability risk.

Prospectus in Debt Securities Offerings

Debt securities offerings also require careful disclosure. Investors in bonds or other debt instruments need to assess the issuer’s ability to repay principal and interest. Therefore, the prospectus should disclose financial indebtedness, cash flow, maturity profile, covenants, guarantees, security interests, ranking, default risks and use of proceeds.

Risk factors should address liquidity risk, refinancing risk, interest rate risk, currency risk, sector risk and potential subordination. If the debt instrument is unsecured, subordinated or complex, this must be clearly explained.

Investors should not assume that a debt security is risk-free merely because it has a fixed return. Credit risk, market risk and liquidity risk may be significant.

Prospectus in Foreign Securities Offerings

Foreign capital market instruments may also be offered in Turkey under specific regulations. The CMB’s capital market legislation lists the Communiqué on Foreign Capital Market Instruments and Depository Certificates and Foreign Investment Funds VII-128.4 among the regulations applicable to capital market instruments.

Foreign issuers and international financial institutions should be cautious when targeting Turkish investors. A prospectus approved abroad may not automatically satisfy Turkish requirements. Turkish public offering, marketing, translation, disclosure and CMB approval rules must be assessed.

Cross-border offerings may raise complex issues concerning applicable law, jurisdiction, custody, settlement, tax, investor rights and enforcement of claims. Turkish legal advice is essential before foreign securities are marketed to Turkish residents.

Practical Compliance Checklist for Issuers

An issuer preparing a prospectus in Turkey should follow a structured compliance process.

First, determine whether the transaction is a public offering, admission to trading, private placement or qualified investor sale. Second, identify the applicable capital market instrument regulation. Third, assess whether a prospectus, issue document or announcement text is required. Fourth, prepare corporate approvals. Fifth, conduct legal, financial and tax due diligence. Sixth, draft risk factors specific to the issuer and securities. Seventh, verify financial statements and audit reports. Eighth, disclose litigation, related-party transactions and material contracts accurately. Ninth, ensure that marketing materials match the prospectus. Tenth, monitor new developments after approval and update the prospectus if necessary.

This process should be documented. If a dispute arises later, the issuer should be able to show that it took reasonable steps to prepare accurate and complete disclosure.

Practical Advice for Investors

Investors should read the prospectus before participating in a public offering. The most important sections are risk factors, financial statements, use of proceeds, related-party transactions, litigation, management, shareholding structure and rights attached to the securities.

Investors should not rely solely on advertisements, social media posts, market rumors or verbal statements by intermediaries. If a marketing statement conflicts with the prospectus, the prospectus should be treated as the primary disclosure document.

Investors should also understand that CMB approval does not mean that the investment is risk-free. The approval relates to the disclosure process, not future market performance. A security offered through an approved prospectus may still lose value.

Conclusion

Prospectus requirements in Turkish Capital Market Law are a cornerstone of investor protection and market transparency. Under Capital Markets Law No. 6362, capital market instruments generally cannot be publicly offered or traded on the exchange without a prospectus prepared and approved by the CMB. The II-5.1 Communiqué provides detailed rules on preparation, approval, public announcement, advertisements and related processes.

The prospectus must be clear, understandable and complete. It must disclose the issuer, securities, risks, rights, financial information, legal disputes, use of proceeds and responsible persons. It may be prepared as a single document or as multiple documents, including an issuer information document, capital market instrument note and summary.

For issuers, the prospectus is a high-liability document. It should be prepared through careful legal and financial due diligence. For directors and managers, it creates responsibility for accurate disclosure. For intermediary institutions, it requires professional care and consistency in marketing. For investors, it is the main document for understanding the investment.

A defective prospectus may result in administrative sanctions, civil claims, criminal exposure and loss of market confidence. A well-prepared prospectus, on the other hand, supports transparent capital formation and protects both issuers and investors.

In conclusion, any company planning a public offering, IPO, debt securities issuance, foreign securities offering or admission to trading in Turkey should obtain professional legal advice before preparing or submitting a prospectus. Prospectus compliance is not merely a filing obligation; it is the legal foundation of trust in Turkish capital markets.