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Concept

The ISDA Master Agreement functions as the foundational operating system for the global derivatives market. Within this complex architecture, the definition of a “commercially reasonable procedure” serves as a critical control mechanism, particularly during the high-stakes process of calculating a Close-out Amount following a termination event. Its purpose is to introduce an objective, verifiable standard into what could otherwise be a contentious and uncertain exercise. The system is designed to ensure that the calculation of termination payments is grounded in observable market realities, thereby preserving the integrity and stability of the financial network.

This standard is embedded within the 2002 ISDA Master Agreement’s definition of “Close-out Amount.” It mandates that the party determining the amount must “act in good faith and use commercially reasonable procedures in order to produce a commercially reasonable result.” This dual requirement of both a reasonable process and a reasonable outcome establishes a high bar for compliance. The procedure itself must be sound, and the final figure must be justifiable when measured against objective market data. This framework is a direct response to the limitations of earlier agreements, which relied on a more subjective standard of rationality. The shift to an objective standard reflects the market’s need for greater certainty and a reduction in the potential for disputes arising from discretionary, and potentially self-serving, calculations.

The ISDA Master Agreement’s requirement for commercially reasonable procedures establishes an objective benchmark for calculating termination payments, ensuring fairness and market stability.

The architectural function of this standard is to create a predictable and enforceable mechanism for resolving outstanding obligations. By tethering the calculation to external, objective criteria, the agreement minimizes the latitude for a determining party to manipulate the outcome in its favor. The concept is designed to be adjudicated, meaning a court or arbitral tribunal can assess the actions of the determining party against established market practices.

This enforceability is a cornerstone of the ISDA architecture, providing market participants with the confidence that their counterparties will be held to a consistent and equitable standard in a close-out scenario. The result is a more robust and resilient market infrastructure, where the rules of engagement are clear and the potential for opportunistic behavior is constrained.


Strategy

The strategic implementation of the “commercially reasonable procedure” standard within the 2002 ISDA Master Agreement represents a significant evolution in risk management for derivatives counterparties. The transition from the more lenient “rationality” test of the 1992 Agreement to the objective standard of the 2002 version was a deliberate architectural upgrade designed to enhance market stability and fairness. Understanding the strategic implications of this shift is fundamental for any institution navigating the complexities of OTC derivatives.

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The Architectural Shift from Subjectivity to Objectivity

The 1992 ISDA Master Agreement required a determining party to calculate its “Loss” in good faith, a standard that courts interpreted as a test of rationality. This meant that a calculation would only be overturned if it was so illogical that no reasonable party could have arrived at it. The 2002 Agreement, in contrast, introduces the dual requirements of “commercially reasonable procedures” and a “commercially reasonable result.” This imposes a purely objective standard that can be measured against prevailing market practices.

The strategic advantage of this is a reduction in legal uncertainty and the potential for protracted disputes. A party’s actions are no longer judged by their internal logic, but by external, verifiable benchmarks.

The following table illustrates the key differences between the close-out valuation standards of the 1992 and 2002 ISDA Master Agreements:

Feature 1992 ISDA Master Agreement (Loss) 2002 ISDA Master Agreement (Close-out Amount)
Governing Standard Good faith and reasonableness (interpreted as rationality). Good faith and commercially reasonable procedures to produce a commercially reasonable result.
Test Subjective; a test of whether the determining party’s actions were rational. Objective; a test against external market practices and standards.
Judicial Review Limited to whether the determination was one that no reasonable party could have made. A court can conduct a more detailed assessment and even substitute its own calculation.
Burden on Determining Party Less onerous; greater discretion afforded to the determining party. More demanding; requires a demonstrable effort to adhere to objective standards.
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What Are the Strategic Implications for Risk Management?

For risk managers, the “commercially reasonable” standard has several profound implications. It necessitates a more rigorous and documented approach to close-out procedures. Institutions must be prepared to defend their calculations with evidence of the market data and methodologies used. This requires robust internal systems for capturing market data and a clear, pre-defined process for handling termination events.

  • Documentation and Process ▴ It is strategically vital to have a well-documented and consistently applied procedure for calculating close-out amounts. This procedure should be designed to be defensible in court, with clear guidelines on sourcing market data and handling different types of transactions.
  • Selection of Valuation Inputs ▴ The standard requires careful consideration of the inputs used in any valuation model. These inputs should be sourced from reliable, independent third parties where possible. The ISDA agreement itself suggests that using relevant market data from third parties is a component of a commercially reasonable procedure.
  • Hedging and Mitigation Costs ▴ The 2002 Agreement explicitly allows for the inclusion of costs associated with terminating, liquidating, or re-establishing hedges, provided it is commercially reasonable to do so. A strategic approach to risk management will involve carefully tracking and documenting these costs to ensure they can be justifiably included in the Close-out Amount.
Adherence to the commercially reasonable standard requires a disciplined, evidence-based approach to close-out calculations, transforming a potential legal risk into a structured operational process.

The choice between the 1992 and 2002 ISDA Master Agreements, therefore, becomes a strategic decision about risk allocation. While the 2002 Agreement’s objective standard provides greater certainty for both parties, it also places a heavier operational burden on the determining party. A sophisticated institution will weigh the benefits of this clarity against the internal resources required to meet the higher standard of compliance. The “commercially reasonable” standard is a powerful tool for enforcing fairness, but its effective use depends on a strategic commitment to robust and transparent operational procedures.


Execution

The execution of a close-out under the 2002 ISDA Master Agreement is a precise operational procedure governed by the “commercially reasonable” standard. This standard is not an abstract legal principle; it is an actionable set of requirements that dictates the steps a determining party must take to calculate a final termination payment. A failure to adhere to these requirements can result in a successful legal challenge and the court substituting its own calculation for the one provided by the determining party. Therefore, a flawless execution of the close-out process is a critical component of institutional risk management.

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A Procedural Playbook for Calculating the Close-Out Amount

A determining party must approach the calculation of a Close-out Amount with the discipline of an auditor and the market awareness of a trader. The following steps outline a procedural playbook for executing a close-out in a manner consistent with the “commercially reasonable” standard:

  1. Immediate Documentation of the Termination Event ▴ Upon the occurrence of an Early Termination Date, all relevant market data should be captured and time-stamped. This includes market rates, volatility surfaces, and any other data points that will be used in the valuation of the terminated transactions.
  2. Selection of Valuation Methodology ▴ The chosen valuation methodology must be appropriate for the transactions being terminated and consistent with market practice. The determining party should be prepared to justify its choice of model and the inputs used. The ISDA agreement allows for the use of information from internal sources, but this should be supported by external data where possible.
  3. Sourcing of Market Data ▴ The process for sourcing market data must be objective and transparent. This may involve obtaining quotes from multiple dealers, using data from recognized market data vendors, or consulting with independent valuation experts. A record of all data sources should be maintained.
  4. Calculation and Verification ▴ The calculation of the Close-out Amount should be performed and then independently verified within the institution. This internal check helps to identify and correct any errors before the final statement is issued.
  5. Preparation of the Section 6(d) Statement ▴ The determining party must provide the other party with a statement showing the calculation in “reasonable detail.” This statement should include the valuations of the terminated transactions, the market data used, and a breakdown of any hedging costs or gains that were included in the final amount.
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How Is Commercial Reasonableness Assessed in Practice?

The assessment of commercial reasonableness is a fact-specific inquiry that will depend on the nature of the terminated transactions and the market conditions at the time of the close-out. However, certain practices are more likely to be deemed commercially reasonable than others. The following table provides examples of procedures that would likely meet, or fail to meet, the “commercially reasonable” standard:

Procedure Commercially Reasonable Commercially Unreasonable
Sourcing Quotes Obtaining quotes from a panel of independent, arm’s-length dealers active in the relevant market. Relying solely on an indicative quote from an affiliated entity without any external verification.
Valuation Timing Using market data from as close as reasonably practicable to the time of the Early Termination Date. Using stale market data from several days prior to the termination event to achieve a more favorable outcome.
Inclusion of Hedges Including the documented costs of unwinding a specific, directly related hedge for the terminated transaction. Allocating a portion of a general, portfolio-level hedge to the close-out calculation without a clear and justifiable allocation methodology.
Transparency Providing a detailed breakdown of the valuation methodology and the key inputs used in the calculation. Providing a single, lump-sum figure with no supporting detail or explanation of how it was derived.
The “commercially reasonable” standard transforms the close-out process from a discretionary action into a structured, evidence-based procedure that is subject to objective review.

Ultimately, the execution of a close-out under the 2002 ISDA Master Agreement requires a proactive and disciplined approach. Institutions must invest in the systems and processes necessary to ensure that their close-out calculations are robust, transparent, and defensible. The “commercially reasonable” standard is a powerful mechanism for ensuring fairness in the derivatives market, but it demands a high level of operational excellence from all participants. The ability to execute a close-out in a compliant manner is a hallmark of a sophisticated and well-managed financial institution.

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References

  • King & Wood Mallesons. “High Court restricts re-calculation of termination amount and interprets Close-out Amount under ISDA Master Agreement.” 26 March 2018.
  • International Comparative Legal Guides. “Derivatives Laws and Regulations Close-out Under the 1992 and 2002 ISDA Master Agreements 2025.” 17 June 2025.
  • Taylor Wessing. “One chance to get it right ▴ making close-out determinations under the 2002 ISDA Master Agreement.” 11 June 2018.
  • DLA Piper. “Good faith, acting reasonably, and absolute discretions.” 16 November 2022.
  • International Swaps and Derivatives Association. “ISDA 2002 Master Agreement.” 2002.
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Reflection

The transition to an objective standard of commercial reasonableness within the ISDA framework prompts a critical examination of an institution’s internal architecture. The knowledge that a close-out calculation must be defensible against external, objective criteria forces a shift in perspective. It moves the process from a back-office administrative task to a front-line risk management function. How does your current operational framework stand up to this level of scrutiny?

Is your process for capturing market data and documenting valuation decisions sufficiently robust to withstand a legal challenge? The answers to these questions reveal the true strength of an institution’s risk management infrastructure. The “commercially reasonable” standard is more than a legal term; it is a benchmark against which the sophistication and resilience of your entire operational system can be measured.

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Glossary

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Commercially Reasonable Procedure

Meaning ▴ A Commercially Reasonable Procedure defines the standard of care and diligence expected from an institutional actor in a financial transaction, mandating that actions taken align with prudent business judgment, prevailing market practices, and the objective of optimizing a specific outcome.
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Isda Master Agreement

Meaning ▴ The ISDA Master Agreement is a standardized contractual framework for privately negotiated over-the-counter (OTC) derivatives transactions, establishing common terms for a wide array of financial instruments.
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Commercially Reasonable Procedures

Courts interpret "commercially reasonable procedures" as an objective, evidence-based standard for valuing derivative close-outs.
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Commercially Reasonable Result

Courts interpret "commercially reasonable procedures" as an objective, evidence-based standard for valuing derivative close-outs.
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Determining Party

Meaning ▴ The Determining Party is the designated entity, system component, or algorithmic agent possessing the final and binding authority to initiate, validate, or conclude a specific event, transaction, or state transition within a defined operational framework.
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2002 Isda Master Agreement

Meaning ▴ The 2002 ISDA Master Agreement represents a standardized bilateral contractual framework for over-the-counter (OTC) derivatives transactions.
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Commercially Reasonable

Meaning ▴ Commercially Reasonable refers to actions, terms, or conditions that a prudent party would undertake or accept in a similar business context, aiming to achieve a desired outcome efficiently and effectively while considering prevailing market conditions, industry practices, and available alternatives.
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1992 Isda Master Agreement

Meaning ▴ The 1992 ISDA Master Agreement is a standardized bilateral contract document published by the International Swaps and Derivatives Association, serving as the primary legal framework for over-the-counter derivative transactions between two parties.
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Reasonable Procedures

Courts interpret "commercially reasonable procedures" as an objective, evidence-based standard for valuing derivative close-outs.
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2002 Isda

Meaning ▴ The 2002 ISDA Master Agreement constitutes a standardized contractual framework, widely adopted within the over-the-counter (OTC) derivatives market, establishing foundational terms for bilateral derivatives transactions.
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Market Data

Meaning ▴ Market Data comprises the real-time or historical pricing and trading information for financial instruments, encompassing bid and ask quotes, last trade prices, cumulative volume, and order book depth.
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Close-Out Amount

Meaning ▴ The Close-Out Amount represents the definitive financial value required to terminate a derivatives contract or position, typically calculated upon a default event or a pre-defined termination trigger.
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Risk Management

Meaning ▴ Risk Management is the systematic process of identifying, assessing, and mitigating potential financial exposures and operational vulnerabilities within an institutional trading framework.
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Objective Standard

Meaning ▴ An Objective Standard denotes a quantifiable, verifiable metric or criterion established independently of subjective judgment, utilized for consistent evaluation of system performance, operational compliance, or market state.
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Master Agreement

A Prime Brokerage Agreement is a centralized service contract; an ISDA Master Agreement is a standardized bilateral derivatives protocol.
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Termination Event

Meaning ▴ A Termination Event denotes a pre-specified condition or set of criteria, contractually defined or algorithmically encoded, whose verified occurrence mandates the immediate cessation or unwinding of a financial agreement, especially prevalent within institutional digital asset derivatives.
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Valuation Methodology

Meaning ▴ A structured computational framework or set of procedures employed to ascertain the current economic worth of a financial instrument, portfolio, or enterprise, typically utilizing established financial models and market data inputs.
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Market Practice

Meaning ▴ Market practice refers to the established, generally accepted operational procedures and behavioral conventions that govern interactions and transactions within a specific financial domain, particularly prevalent in institutional digital asset derivatives trading.