Navigating Compliance: A Practical Guide to ISO 27001 Annex A 5.31 for AI Companies

ISO 27001 Annex A 5.31 for AI Companies

For leaders in the Artificial Intelligence sector, navigating the complex world of information security is paramount. While the ISO 27001 standard provides a comprehensive framework, one particular control – ISO 27001 Annex A 5.31 Identification of legal, statutory, regulatory and contractual requirements – is where compliance meets commercial reality. Every unchecked legal, regulatory, or contractual obligation is an invitation for disruption, not just a penalty. This guide provides a practical blueprint for turning this complex requirement from a hidden risk into a powerful business advantage, building the foundation upon which customer trust and regulatory resilience are built.

Understanding the Core Requirement: What is Annex A 5.31?

Before diving into AI-specific complexities, it is vital to understand the fundamental purpose of Annex A 5.31. At its heart, this control is about systematic awareness and management. It ensures your organisation identifies, documents, and stays current with all the information security obligations that govern its operations. Getting this right is of strategic importance; it is your frontline defence against legal penalties, a powerful tool for building customer trust, and the bedrock of a resilient information security programme.

The control is officially defined by the ISO 27001 standard as follows:

“Legal, statutory, regulatory and contractual requirements relevant to information security and the organisations approach to meet these requirements should be identified, documented and kept up to date.”

These obligations fall into three distinct categories, each with its own sources and implications. Understanding the differences is the first step towards effective management.

Type of ObligationDefinitionExample
Legal (Statutory)Laws passed by government.Data Protection Act (UK) / GDPR.
RegulatoryRules from industry bodies.PCI-DSS (Payments) / FCA (Finance).
ContractualAgreements with clients/suppliers.SLA (99.9% Uptime) / NDA.

While these categories apply to all organisations, they take on a new level of complexity when viewed through the AI magnifying glass.

The AI Magnifying Glass: Unique Risks and Obligations

For AI companies, the web of obligations under Annex A 5.31 is significantly more intricate. Your core assets – the training data you use, the algorithms you build, and the supply chain you rely on – are not just technical components; they are subject to a unique and evolving set of legal, regulatory, and contractual dimensions that demand meticulous attention.

Securing Your Training Data

The vast datasets used to train your models are a primary source of risk and obligation. If this data contains personally identifiable information (PII), it immediately falls under the scope of data protection laws like the UK’s Data Protection Act and the EU’s GDPR. Annex A 5.31 requires you to formally identify these laws and document their specific requirements. Furthermore, your agreements with data suppliers often contain contractual clauses that dictate how that data can be stored, processed, and secured. Failing to track these obligations creates hidden tripwires that can halt deals and is a direct violation of both the contract and the principles of A.5.31.

Protecting Algorithmic Integrity

Your algorithms are the engine of your business, and their performance is often guaranteed to clients through contractual agreements. Service Level Agreements (SLAs) that promise specific levels of accuracy or uptime are a core part of your contractual landscape. Under Annex A 5.31, these agreements must be identified and their information security implications understood. A disruption to your algorithmic processes is not just a technical problem – it can be a breach of contract, leading to financial penalties and reputational damage.

Managing the AI Supply Chain

Modern AI development rarely happens in a vacuum. Your organisation likely relies on a complex supply chain of third-party models, external data sources, and cloud infrastructure providers. Each of these relationships is governed by a contract that contains specific information security requirements. Annex A 5.31 mandates that you identify, document, and manage these embedded obligations, which can act as hidden tripwires that block supplier onboarding if missed.

Navigating Cryptographic Regulations

AI companies rely heavily on cryptography to protect data and intellectual property. However, this technology is subject to a complex and often overlooked set of legal requirements. Annex A 5.31 requires you to identify and document regulations related to the import/export of cryptographic technologies, rules governing their use, and the potential for government authorities to demand access to encrypted information. The validity of digital signatures and certificates also falls under this legal scrutiny, making expert legal advice essential.

With these complex risks identified, how can you build a practical and audit-proof system to manage them?


ISO 27001 Document Templates
ISO 27001 Document Templates

Your Blueprint for Compliance: Practical Steps to Success

To effectively manage your obligations under Annex A 5.31, you must move beyond the era of “compliance-by-filing-cabinet.” The goal is to create a dynamic, “living” system that gives you real-time control over your compliance posture. This approach uses automation, integration, and monitoring to transform compliance from a periodic burden into a continuous business advantage, providing real-time assurance to auditors, clients, and your board that the legal landscape is under control.

Identify and Document Your Obligations

The first step is a comprehensive discovery process. You must research and create a master list of all legal, statutory, regulatory, and contractual requirements relevant to information security. This must cover every jurisdiction in which you operate, sell services, or process data. It is highly recommended to seek legal advice to ensure this list is complete and accurate.

To an auditor, this is the core artefact they will demand to see. A simple list is not enough; a credible, audit-proof Legal Register must function as a defence shield. What an auditor expects to see are specific, structured fields that demonstrate active management:

  • Requirement Text: The precise obligation, referencing the law or contract clause.
  • Owner: A named individual, not just a department, who is accountable.
  • Linked Controls: A direct mapping to the specific ISMS controls that satisfy the requirement.
  • Evidence Reference: A link to the exact document, log, or record that proves compliance.
  • Review Date & Next Action: The date of the last review and the scheduled date for the next one.
  • Approval Status: A record of who approved the compliance approach.
  • Change Log: An audit trail of all updates, reviews, and ownership changes.

Assign Clear Ownership

Every single requirement in your register must be assigned to a named individual. This creates clear accountability and prevents “orphaned requirements” from being missed when staff change roles. Mature compliance programmes also establish backup owners and clear handover protocols. Any “ownerless” item must be treated as a high-priority risk and escalated immediately.

Integrate Requirements into Your ISMS

A Legal Register that sits in isolation is of little value. Your goal is to create a provable chain – a living audit chain that transparently links an obligation to its owner, its corresponding control, and the exact evidence of compliance. An auditor should be able to see, in one click, the full lineage from a legal requirement to the specific policy and operational proof that satisfies it.

Establish a Review Cycle

The legal and contractual landscape is constantly changing. Your register must be reviewed at planned intervals (e.g., quarterly or annually) and whenever a significant change occurs. This builds “compliance muscle memory,” turning reviews into a routine business operation and eliminating the pre-audit panic or the risk of an “audit surprise.”

While these steps provide a clear blueprint, leveraging the right tools can dramatically simplify the process and accelerate your path to success.

The High Table Solution: From Chaos to Control

Implementing a robust system to manage the complex requirements of Annex A 5.31 can seem daunting, especially for an innovative AI company focused on growth. The High Table solution is designed specifically to cut through this complexity, helping businesses like yours establish an audit-ready compliance programme without hindering your pace of innovation.

The ISO 27001 Toolkit

The High Table ISO 27001 Templates Toolkit provides the practical foundation you need to move from compliance chaos to complete control. It is engineered to transform the difficult task of implementing Annex A 5.31 from a box-ticking exercise into a powerful business advantage.

  • From Spreadsheet Chaos to Audit-Calibre Confidence: The toolkit includes a pre-populated ISO 27001 Legal Register template. This gives you a significant head start by providing a comprehensive list of common laws and regulations, moving you from a static list to a dynamic, audit-ready asset from day one.
  • Audit-Proven Structure: Designed by ISO 27001 Lead Auditors, our templates contain the exact structure and fields that auditors expect to see. With dedicated columns for the requirement owner, review date, and links to evidence, you can remove the guesswork and build a register that acts as your compliance defence shield.
  • Flexibility for AI’s Evolving Landscape: For a company in the fast-moving AI sector, a rigid software system can be constraining. A template-based toolkit offers the ideal balance of structure and adaptability. It provides an expert-designed foundation that you can easily modify to accommodate the unique and rapidly changing legal requirements specific to AI.
  • Comprehensive Governance: The toolkit delivers a full suite of policies, procedures, and records needed to build your entire Information Security Management System (ISMS). This ensures your legal register is not an isolated document but is fully integrated into a complete governance structure, enabling you to build that essential “provable chain.”

The High Table toolkit transforms the complex theory of Annex A 5.31 into a manageable and straightforward process, empowering you to build a system that is both compliant and practical.


Own Your ISMS, Don’t Rent It

Do it Yourself ISO 27001 with the Ultimate ISO 27001 Toolkit

Do it Yourself ISO 27001 with the Ultimate ISO 27001 Toolkit


Conclusion: Turn Compliance into Your Competitive Edge

For an AI company, mastering compliance with ISO 27001 Annex A 5.31 is not simply about avoiding fines or passing an audit. It is about building a fundamental layer of trust with your clients, partners, and regulators. It demonstrates a level of maturity and diligence that sets you apart in a competitive market. By systematically identifying, managing, and integrating your legal and contractual obligations, you create a resilient organisation prepared for the challenges of today and the opportunities of tomorrow.

The High Table ISO 27001 Templates Toolkit, available at https://hightable.io/product/iso-27001-templates-toolkit/, is the key to unlocking this potential. It provides the expert guidance and practical tools you need to turn a complex compliance obligation into a clear and powerful business advantage.

About the author

Stuart Barker is a veteran practitioner with over 30 years of experience in systems security and risk management.

Holding an MSc in Software and Systems Security, Stuart combines academic rigor with extensive operational experience. His background includes over a decade leading Data Governance for General Electric (GE) across Europe, as well as founding and exiting a successful cyber security consultancy.

As a qualified ISO 27001 Lead Auditor and Lead Implementer, Stuart possesses distinct insight into the specific evidence standards required by certification bodies. He has successfully guided hundreds of organizations – from high-growth technology startups to enterprise financial institutions – through the audit lifecycle.

His toolkits represents the distillation of that field experience into a standardised framework. They move beyond theoretical compliance, providing a pragmatic, auditor-verified methodology designed to satisfy ISO/IEC 27001:2022 while minimising operational friction.

Stuart Barker - High Table - ISO27001 Director
Stuart Barker, an ISO 27001 expert and thought leader, is the author of this content.
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