ISO 42001 Annex Control Objectives and Controls

07/30/2026
ISO 42001 Annex A Control
Reading Time: 7 minutes

Introduction to Annex A of ISO/IEC 42001:2023

Annex A of ISO/IEC 42001 is the normative core of the standard, providing the specific control objectives and controls an organization must implement to establish a compliant and effective Artificial Intelligence Management System (AIMS). It is not merely a checklist, but a framework for building responsible AI governance across the entire organization and AI lifecycle.

The following sections break down each of the nine key areas (A.2 to A.10), explaining their purpose, their constituent controls, and providing a concrete, practical example.


  • Objective: Leadership needs to officially commit to building AI the “right way” and write down exactly what that means for the company.
  • What it is: This clause is about setting the “tone from the top.” It requires the organization to define its fundamental principles and commitment to responsible AI in a formal policy document. This policy serves as the cornerstone for all other AI activities, ensuring alignment with business goals and other organizational policies (like ethics, security, and quality).
  • Key Controls:
    • 2.2 AI Policy: Create one official document that states your company’s commitment to responsible AI.
    • A.2.3 Alignment with Other Policies: Make sure this new AI rulebook agrees with your existing policies on privacy, security, and HR (don’t create contradictions).
    • A.2.4 Review of the AI Policy: Schedule regular check-ins to update this policy as technology or laws change.
  • Practical Example:
    multinational retail bank publishes its “Responsible AI Charter.” This policy mandates that all AI systems (e.g., for credit scoring, fraud detection, customer service) must be developed and operated under the principles of Fairness, Transparency, Security, and Accountability. It explicitly references and aligns with the bank’s Data Protection Policy and Code of Conduct. The Charter is reviewed annually by the Board’s Technology Committee to ensure it addresses emerging regulations and ethical concerns.

A.3 – Internal Organization

  • Objective: Make sure there is a real, named human being accountable for every part of your AI system.
  • What it is: This translates high-level policy into actionable accountability. It’s about defining who is responsible for what in the AI ecosystem and creating clear channels for raising concerns. This prevents critical issues from falling through the cracks.
  • Key Controls:
    • A.3.2 AI Roles and Responsibilities: Clearly write out who is responsible for what (e.g., who handles ethics, who validates the math, who owns the data).
    • A.3.3 Reporting of Concerns: Create a safe, confidential way for employees or contractors to raise red flags about AI safety or ethics without fear of retaliation.
  • Practical Example:
    An AI-powered recruitment platform company defines clear roles: the Head of AI Ethics approves model fairness assessments, Product Managers are responsible for user transparency, and ML Engineers are accountable for technical documentation. They implement an anonymous “AI Concern Hotline” (via a web portal) where any employee can flag potential bias in a screening algorithm or misuse of candidate data.

A.4 – Resources for AI Systems

  • Objective: Take a full inventory of everything your AI needs to run—not just the code, but the data, computers, software, and people.
  • What it is: This clause mandates a comprehensive inventory of everything “fueling” the AI system. It moves beyond just the model to encompass the full stack: data, software tools, computing infrastructure, and crucially, the people with the right skills.
  • Key Controls:
    • A.4.2 Resource Documentation: Create a master list of every single resource your AI depends on. This includes the data you feed it, the software tools you use to build it, the cloud or on-premise servers that run it, and the specific skills your team needs to manage it. Map these resources to each stage of the AI’s life—from initial design, through training and testing, all the way to deployment and eventual retirement.
    • A.4.3 Documentation of Data Resources: Write down exactly what data you need, where it comes from, how it’s formatted, and any legal or privacy restrictions attached to it.
    • A.4.4 Documentation of Tooling Resources: List all the software libraries, frameworks, platforms, and automation tools your team uses to develop, test, and monitor the AI.
    • A.4.5 Documentation of System/Computing Resources: Document the hardware and infrastructure required—think cloud instances, GPUs, storage volumes, network bandwidth, and any specialized hardware.
    • A.4.6 Documentation of Human Resources: Spell out the specific roles, skill sets, and number of people needed to build, run, and oversee the AI. Include any training or certifications they must have.
  • Practical Example:
    medical imaging startup developing a diagnostic AI maintains a resource register. It lists:
    • 1) Data: 100,000 anonymized, labelled X-rays from partner hospitals,
    • 2) Tools: PyTorch, GitLab CI/CD, a bias detection toolkit,
    • 3) Infrastructure: Secure AWS S3 buckets and GPU clusters,
    • 4) People: Dr. Smith (Clinical Lead), Jane Doe (Data Scientist with fairness specialization), and their certified training records.

A.5 – Assessing Impacts of AI Systems

  • Objective: Before you launch, figure out how your AI might affect real people, groups, or society at large (both positively and negatively).
  • What it is: This is the core of risk-based due diligence for AI. It requires proactive and ongoing evaluation of potential harms—not just technical failures, but impacts on human rights, wellbeing, and social structures. It’s akin to an Environmental Impact Assessment, but for AI.
  • Key Controls:
    • A.5.2 AI System Impact Assessment Process: Build a formal checklist to assess impacts before you deploy.
    • A.5.3 Documentation of AI Impact Assessment: Keep a permanent record of the results from every impact assessment.
    • A.5.4 & A.5.5: Assess impacts on individuals/groups and broader societal impacts.
  • Practical Example:
    city council deploying an AI for optimizing social welfare allocation conducts a thorough impact assessment. They assess risks of individual impact (e.g., wrongly denying benefits due to algorithmic error) and societal impact (e.g., perpetuating existing inequalities, eroding public trust). The documented assessment leads to design changes, including a mandatory human-in-the-loop review for edge cases and a public transparency report.

A.6 – AI System Life Cycle

  • Objective: Set strict rules for how you build, test, launch, and monitor the AI at every step of its existence.
  • What it is: This clause operationalizes responsible AI into the classic development and operations (DevOps) pipeline. It mandates structure and documentation at every phase, from initial idea to decommissioning, ensuring traceability and controlled evolution of the AI system.
  • Key Controls :
    • A.6.1.2 Objectives for responsible development of AI system: Write down what “responsible AI” looks like for this specific project before you write a single line of code.
    • A.6.1.3 Processes for responsible AI system design and development: Document your step-by-step process for designing and developing AI responsibly.
    • A.6.2.2 Requirements: Clearly state what the AI is allowed to do—and just as importantly—what it is strictly forbidden from doing.
    • A.6.2.3 Documentation of AI system design and development: Record your design choices and development steps so you can explain why you built it this way.
    • A.6.2.4 Verification & Validation: Run rigorous tests to ensure it works as intended and doesn’t break under edge cases.
    • A.6.2.5 AI system deployment: Document a detailed deployment plan and don’t flip the “on” switch until it passes all pre-launch checks.
    • A.6.2.6 Operation & Monitoring: Establish a plan for continuous monitoring once it’s live to catch performance drops or weird behavior.
    • A.6.2.7 AI system technical documentation: Create different “user manuals” for different audiences (e.g., a technical doc for regulators, a simple guide for customers).
    • A.6.2.8 Event Logging: Automatically log all major events (e.g., errors, data inputs, decisions) so you can audit or explain the AI’s behavior later.
  • Practical Example:
    An autonomous forklift manufacturer follows a gated lifecycle:
    • 1) Requirements: “The forklift must stop if an unidentified object is within 2m,”
    • 2) Design/Dev: Models are trained in simulation,
    • 3) Verification & Validation : Real-world testing in a controlled warehouse with safety drivers,
    • 4) Deployment: Phased rollout with extra monitors,
    • 5) Operation: Continuous logging of near-misses and system overrides for weekly review.

A.7 – Data for AI Systems

  • Objective: Be strict, organized, and legal about how you source, clean, and track your data.
  • What it is: Recognizing that “garbage in, garbage out” is a critical risk, this clause focuses on governance of the AI fuel: data. It covers the entire data journey—sourcing, quality, lineage, and preparation—to ensure data is fit-for-purpose and its limitations are understood.
  • Key Controls:
    • A.7.2 Data for development and enhancement of AI system: Document your standard operating procedures for handling data used in AI development.
    • A.7.3 Acquisition: Document exactly where every piece of data came from and prove you have the legal right to use it.
    • A.7.4 Quality: Define what “good data” looks like (e.g., 99% accuracy) and actively measure it.
    • A.7.5 Provenance: Track the data’s entire journey—where it started, how it was modified, and how it ended up in the AI.
    • A.7.6 Data preparation: Document why you chose specific data-cleaning methods (e.g., removing outliers) so you can justify those choices later.
  • Practical Example:
    fintech company building a transaction anomaly detector documents: its acquisition of data (customer consent under GDPR, synthetic data for rare fraud patterns), its quality standards (99.9% accuracy on merchant codes), and its provenance pipeline (raw logs -> cleaned table -> feature set, with versioning).

A.8 – Information for Interested Parties

  • Objective: Make sure users, regulators, and the public have the information they need to understand the AI and its risks.
  • What it is: This is the transparency and communication clause. It requires proactive, tailored disclosure to different audiences (users, regulators, the public) about how the AI works, its limitations, and how to interact with it or raise issues.
  • Key Controls:
    • A.8.2 Information for Users: Provide clear instructions on how to use the AI, along with a blunt list of its limitations (what it sucks at).
    • A.8.3 External Reporting: Give external users (not just employees) a way to report problems or errors.
    • A.8.4 Incident Communication: Have a pre-written plan for how you will notify users and the public if the AI has a major failure or data breach.
    • A.8.5 Information for interested parties: Identify what information you are legally or contractually obligated to report to authorities, partners, or the public.
  • Practical Example:
    hospital using an AI sepsis prediction tool provides:
    • 1) For Doctors: A dashboard showing the AI’s confidence score and key factors behind the alert,
    • 2) For Patients: A leaflet explaining AI is an aid, not a replacement for clinician judgment,
    • 3) For All: A clear website and phone number to report suspected errors.

A.9 – Use of AI Systems

  • Objective: Ensure that when your team actually uses the AI day-to-day, they don’t go rogue or misuse it.
  • What it is: This clause addresses the “last mile” of risk: deployment and human interaction. It ensures there are guardrails and processes to prevent misuse, drift from intended purpose, and to maintain human oversight where necessary.
  • Key Controls:
    • A.9.2 Processes for Responsible Use of AI: Define the standard operating procedures for operating the AI in production.
    • A.9.3 Objectives for Responsible Use of AI: Record the specific objectives for using this AI (e.g., “reduce response time by 10%”).
    • A.9.4 Intended Use: Strictly forbid using the AI for anything outside its original documented purpose (e.g., don’t use a hiring AI to screen for credit scores).
  • Practical Example:
    logistics company using an AI for driver scheduling establishes a “Responsible Use Protocol.” It mandates that:
    • 1) Dispatchers must review and can override AI-proposed schedules for driver welfare reasons,
    • 2) The AI cannot be repurposed to predict union activity, and
    • 3) Any major route changes suggested by the AI during extreme weather require managerial sign-off.

A.10 – Third-Party and Customer Relationships

  • Objective: When you buy AI from someone else or sell it to a customer, make sure everyone’s legal duties are crystal clear.
  • What it is: This clause acknowledges that AI systems are often built with external components, data, or services. It extends the AIMS beyond organizational boundaries, requiring due diligence on suppliers and clear communication with customers to manage the ecosystem risk.
  • Key Controls:
    • A.10.2 Allocating Responsibilities: Clearly spell out in legal contracts who is responsible for what (e.g., Who owns the data? Who fixes bugs? Who handles lawsuits?).
    • A.10.3 Suppliers: Force your software and data vendors to prove they meet your company’s AI safety and security standards.
    • A.10.4 Customers: Don’t build in a vacuum. Make sure your responsible-AI approach actually aligns with what your customers expect and need from you.
  • Practical Example:
    software company licensing a facial recognition module from a vendor includes in the contract:
    • 1) Responsibilities: The vendor is liable for bias in the core model; the integrator is liable for misuse in the final application,
    • 2) Supplier Requirements: The vendor must provide annual bias audit reports, and
    • 3) Customer Consideration: The end-user license agreement (EULA) clearly prohibits using the software for unlawful surveillance.

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