Guarantees in Commercial Contracts
Common guarantees in commercial contracts are among the most important legal tools for safeguarding the parties’ obligations. A guarantee is a mechanism designed to create confidence that contractual terms will be performed properly and in full. In commercial practice, a contract without effective enforcement tools may have limited practical value. For this reason, selecting appropriate guarantees not only increases transactional security but also plays a meaningful role in dispute management and legal enforcement in the event of a breach.
Guarantees in commercial contracts may take different forms, including bank guarantees, cheques, promissory notes, pledged assets, mortgage-type security, separate collateral agreements, and third-party guarantees. The type and amount of security are typically determined based on the contract’s nature, transaction size, risk level, and the parties’ commercial relationship. For example, in construction and contracting arrangements, it is common to require a performance guarantee, an advance payment guarantee, and a retention or maintenance period guarantee as separate instruments.
Iranian law provides a clear legal basis for several categories of guarantees. For instance, the Iranian Civil Code addresses third-party guarantee arrangements in Articles 684-707, and the Iranian Commercial Code includes extensive rules on commercial instruments and negotiable documents. In public-sector contracts, bank-issued guarantees are often mandatory, and their format and conditions are commonly prescribed by applicable regulations.
In practice, guarantees help balance bargaining power, reduce opportunistic conduct, and discourage non-performance. At the same time, the choice of security measures must be carefully considered so that rights are protected without disrupting commercial cooperation or creating unnecessary friction.
Why Guarantees Help Prevent Breach of Obligations
A key purpose of incorporating guarantees in commercial contracts is to deter breach and to create legal and financial pressure that supports timely performance. Every commercial relationship involves a combination of commitment, trust, and risk. If risk is not allocated sensibly, one party may delay performance, suspend obligations, or attempt to withdraw from the arrangement for strategic reasons. Guarantees operate as a financial and legal backstop against such outcomes.
In a sale contract, a seller often seeks security for payment of the purchase price, while a buyer may require security for quality, conformity, or proper delivery. In both scenarios, guarantees strengthen confidence and reduce uncertainty. Their importance increases in long-term contracts or high-value transactions.
Under Iranian law, guarantees are generally enforceable. If a party fails to perform, the other party may activate or pursue the agreed security through legal channels. For example, where a bank guarantee is valid and callable under its terms, the issuing bank may be required to pay the guaranteed amount to the beneficiary upon a compliant demand. This enforceability is a major reason why guarantees are considered essential for preventing breach and protecting commercial interests.
Guarantees also influence behavior. A party that has provided meaningful security is more likely to perform carefully, because non-performance may trigger immediate financial consequences. In this sense, guarantees function not only as a remedy after breach, but also as a practical deterrent.
Common Types of Guarantees in Commercial Contracts
In Iran, commercial guarantees take multiple forms, each with distinct advantages and practical risks. Selecting the appropriate instrument depends on the contract type, the commercial context, and the counterparty’s credit profile.
- Bank Guarantees: A bank guarantee is among the most reliable forms of security. It is issued by a bank and, depending on its structure, may require the bank to pay the beneficiary if the guaranteed obligation is not performed. Bank guarantees are frequently used in government contracts, major procurement transactions, and high-value projects due to their formality and enforceability.
- Cheques and Promissory Notes: Cheques and promissory notes are widely used in both small and large transactions. They can serve as security for payment obligations or broader performance commitments. Their legal effectiveness depends heavily on correct completion, signatures, dates, amounts, and the surrounding contractual terms, including how and when they may be presented or enforced.
- Third Party Guarantee: A third party may guarantee payment or performance of one party’s obligations. If the principal debtor fails to perform, the beneficiary may have legal grounds to pursue the guarantor, subject to the structure of the guarantee and applicable legal requirements.
- Pledge and Mortgage Type Security: For higher value obligations, collateral may be provided by pledging movable property or granting security over immovable property. Where properly documented and registered, collateral-based security can provide stronger protection and greater recovery prospects than unsecured instruments.
- Contractual Undertakings and Security Clauses: Some contracts rely on contractual mechanisms such as penalty clauses, retention arrangements, set-off rights, staged payments, or other security-oriented provisions. While these can be effective, enforcement may be more complex if the drafting is unclear or if evidentiary records are incomplete.
A well-designed security package may combine multiple instruments to reflect the transaction’s risk profile and the practical realities of enforcement.
Risks of Failing to Provide Adequate Guarantees
The absence of appropriate security can expose a transaction to serious legal and financial risk, including the possibility of unrecoverable losses. Where a contract lacks effective guarantees, the injured party may face a lengthy, costly path to enforcement, especially in disputes involving high sums or unfamiliar counterparties.
A major risk is weak enforceability. For example, if a seller supplies goods without receiving credible payment security and the buyer defaults, the seller may be forced to initiate litigation, obtain a judgment, and then proceed through enforcement procedures that may still fail if the debtor lacks recoverable assets. If security, such as a bank guarantee or enforceable negotiable instrument, exists, the enforcement process may be more direct and substantially faster.
In addition, the absence of security can reduce leverage and increase the likelihood of strategic delay or non-performance. Guarantees also affect third-party confidence. In investment and partnership arrangements, investors often expect obligations to be supported by meaningful security. If guarantees are weak or absent, parties may be reluctant to proceed or demand stricter commercial terms to compensate for the risk.
Overall, inadequate guarantees can increase commercial exposure, reduce legal protection, and heighten the probability of significant financial harm.
Key Legal Points When Drafting Contractual Guarantees
Guarantees must be drafted with precision to ensure enforceability and practical usefulness. A central requirement is clarity. The contract should specify the type of security, the amount secured, the validity period, the trigger events for enforcement, the method of demand, and the process for returning or releasing the security upon proper performance. Ambiguity in any of these areas can lead to disputes and weaken enforcement.
Guarantees should also comply with applicable laws and regulations, including the Civil Code, Commercial Code, and relevant sector-specific rules. For bank guarantees, it is important to ensure the guarantee meets the issuing bank’s formal requirements and complies with any applicable industry-standard formats. For promissory notes and cheques, correct completion and clear linkage to contractual obligations are essential.
A further consideration is the security provider’s legal capacity and financial credibility. A guarantee given by an entity without capacity, authority, or financial strength may be ineffective in practice. Reviewing the guarantor’s standing, authority documentation, and financial position is often necessary.
For cross-border arrangements, parties should also consider whether the security is enforceable internationally and whether it will be recognized in the counterparty’s jurisdiction. Carefully drafted dispute-resolution clauses can expedite enforcement and reduce procedural uncertainty.
Engaging specialized legal counsel during drafting can materially reduce risk. Where required, Soroush Salamian Law Firm may assist with structuring and reviewing security provisions in commercial contracts.

Practical Recommendations for Selecting Guarantees
Selecting guarantees is not a mechanical task. It is a strategic legal decision that should reflect the nature of the obligations, the counterparty’s profile, and the transaction’s risk level.
The first principle is enforceability. A guarantee is valuable only if it can realistically be collected in the event of a breach. Instruments that appear formal but lack practical backing may provide weak protection. In many cases, bank guarantees and properly registered collateral offer stronger and faster recovery prospects.
The second principle is to define the conditions of use. The contract should state exactly when and how security may be enforced. For example, the parties may agree that if performance is delayed beyond a defined period, the beneficiary may present the guarantee for payment. Clear triggers reduce interpretive disputes and limit allegations of misuse.
The third principle is layered security. A combination of financial instruments and contractual remedies may be more effective than relying on a single tool. This approach increases deterrence and provides multiple enforcement options in the event of a dispute.
Guarantees as the Foundation of Secure Trade
In modern commerce, guarantees are not a minor attachment to a contract. They are a core element of professional risk control and trust building. As transaction values rise and commercial relationships become more complex, relying solely on promises, even written ones, is often insufficient. Guarantees exist to reduce risk and to provide real remedies when commitments are not honored.
Experience shows that many commercial disputes become lengthy and expensive because security was missing or poorly structured. By contrast, contracts that use clear, enforceable guarantees often resolve problems more quickly and avoid significant losses. Guarantees also serve as behavioral incentives. When parties know that credible security can be enforced, compliance becomes more likely, and commercial cooperation becomes more stable.
For these reasons, well-drafted guarantees should be treated as an essential component of any serious commercial agreement. Selecting instruments that are enforceable, deterrent, and proportionate to the transaction’s risks is a sign of mature contract practice and a practical step toward long-term, sustainable commercial relationships.

Frequently Asked Questions About Guarantees in Commercial Contracts
Guarantees are legal and financial tools that secure performance of contractual obligations. They reduce risk, increase confidence between the parties, and provide practical enforcement options if a breach occurs.
Common forms include bank guarantees, cheques and promissory notes, third party guarantees, pledged assets and mortgage type security, and contractual security mechanisms such as penalty clauses or retention arrangements.
Guarantees create financial and legal consequences for non performance. This deterrent effect increases the likelihood of timely and accurate performance, especially in long-term or high-value transactions.
Without adequate guarantees, enforcement can become slow, costly, and uncertain. The injured party may face difficulty recovering losses, and the overall transaction risk and potential for serious financial harm increase.
Key points include clear identification of the security instrument, amount, validity period, enforcement triggers, demand procedure, and release conditions, along with compliance with applicable laws and verification of the guarantor’s legal capacity and financial credibility. What are guarantees in commercial contracts, and why are they important?
What are common types of guarantees used in commercial contracts?
How do guarantees help prevent breach of obligations?
What risks arise if adequate guarantees are not included?
What legal drafting points should be observed when structuring guarantees?





