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AI Governance

ISO 42001 Documentation: Templates and Best Practices

ISO 42001 certification requires extensive documentation. This guide covers mandatory records, AI system documentation, and audit trail requirements.

By Al Rashdan
5 min read
#ISO 42001 documentation#AI system documentation#model cards templates#AI audit trails#AIMS documentation

Documentation makes or breaks ISO 42001 certification. Auditors don't just want to see that you have controls, they want evidence that those controls operate consistently. Here's what you actually need.

01

Mandatory Documentation

ISO 42001 requires documented information for both the management system and AI-specific controls.

ISO 42001 requires documented information for both the management system and AI-specific controls.

Management System Documents

Required policies:

  1. AI Management System Policy (Clause 5.2)
  2. AI Risk Management Policy
  3. Information Security Policy (if not separate ISO 27001)

Required procedures:

  1. Document control procedure
  2. Risk assessment and treatment procedure
  3. Internal audit procedure
  4. Management review procedure
  5. Nonconformity and corrective action procedure
  6. Competence assessment procedure

Required records:

  1. Scope definition
  2. Risk register
  3. Statement of Applicability
  4. Training records
  5. Internal audit reports
  6. Management review minutes
  7. Corrective action records

AI-Specific Documentation

Annex A requirements:

  1. AI system inventory
  2. Impact assessment records
  3. AI lifecycle documentation
  4. Data provenance records
  5. Third-party assessment records
  6. Transparency information
  7. Human oversight records

02

AI System Documentation

Model Cards

Model cards provide standardized documentation for ML models. Key sections:

Model Details:

Model Name: Customer Churn Predictor v2.1
Model Type: Gradient Boosted Trees
Training Date: 2024-09-15
Version: 2.1.0
Owner: Data Science Team

Intended Use:

Primary Use: Predict customer churn probability
Users: Customer Success Team
Out of Scope: Credit decisions, pricing discrimination

Training Data:

Dataset: Customer interaction history 2021-2024
Size: 2.3M records
Features: 45 behavioral and demographic
Preprocessing: Anonymization, outlier removal
Known Limitations: Limited expatriate representation

Performance Metrics:

Accuracy: 87.3%
Precision: 84.1%
Recall: 79.8%
F1 Score: 81.9%
AUC-ROC: 0.912

Fairness Assessment:

Demographic Parity: Tested across nationality, gender, age
Equalized Odds: Within acceptable thresholds
Known Biases: Slight underperformance on <25 age group
Mitigation: Additional monitoring for young customer segments

Data Sheets

Data sheets document datasets used in AI systems.

Motivation:

  • Purpose of dataset creation
  • Creator and funder
  • Intended uses

Composition:

  • Instance count and types
  • Feature descriptions
  • Missing data handling
  • Confidentiality considerations

Collection Process:

  • Data sources
  • Collection mechanisms
  • Timeframe
  • Consent and ethical review

Preprocessing:

  • Cleaning steps
  • Transformations applied
  • Selection criteria

Distribution:

  • Access controls
  • Usage restrictions
  • Licensing

03

AI Inventory and Asset Register

Your AI inventory is the foundation of governance. Key attributes:

Field

System ID

Description

Unique identifier

Example

AI-CRM-001

Field

Name

Description

Descriptive name

Example

Lead Scoring Model

Field

Business Owner

Description

Accountable executive

Example

VP Sales

Field

Technical Owner

Description

Responsible engineer

Example

ML Team Lead

Field

Purpose

Description

Business objective

Example

Prioritize sales outreach

Field

Risk Level

Description

High/Medium/Low

Example

Medium

Field

Data Categories

Description

Types of data used

Example

Behavioral, demographic

Field

Status

Description

Active/Development/Retired

Example

Active

Field

Last Review

Description

Most recent assessment

Example

2024-10-15

04

Version Control

Version control failures are common audit findings. Implement:

Document versioning:

  • Major.Minor.Patch numbering (e.g., 2.1.3)
  • Change log with dates, authors, descriptions
  • Approval records for significant changes

Model versioning:

  • Semantic versioning for models
  • Training data versioning
  • Configuration management
  • Rollback capability

Tools:

  • Git for code and configuration
  • Document management system for policies
  • ML experiment tracking (MLflow, Weights & Biases)

05

Audit Trails

Audit trails prove controls operate over time. Required trails:

System access:

  • User authentication logs
  • Authorization changes
  • Administrative actions

AI operations:

  • Model deployment records
  • Prediction logs (sampling for volume)
  • Retraining events
  • Performance monitoring data

Governance activities:

  • Review and approval records
  • Committee meeting minutes
  • Decision documentation

Retention: Typically 3 years minimum, longer for high-risk systems or regulatory requirements.

06

Document Retention

Document Type

Policies

Minimum Retention

Life of system + 3 years

Notes

Retain superseded versions

Document Type

Procedures

Minimum Retention

Life of system + 3 years

Notes

Track all versions

Document Type

Training records

Minimum Retention

Employment + 3 years

Notes

Per employee

Document Type

Audit reports

Minimum Retention

5 years

Notes

Include corrective actions

Document Type

Model cards

Minimum Retention

Life of model + 3 years

Notes

Version history

Document Type

Risk assessments

Minimum Retention

5 years

Notes

Include treatment evidence

07

Digital Tools

Manual documentation doesn't scale. Consider:

GRC platforms:

  • ServiceNow GRC
  • OneTrust
  • LogicGate

AI-specific tools:

  • ML experiment tracking (MLflow, Neptune)
  • Model monitoring (Evidently AI, Fiddler)
  • Data lineage (Apache Atlas, Collibra)

Document management:

  • SharePoint/Confluence for policies
  • Git-based for technical docs
  • Dedicated audit evidence repository

08

Common Audit Findings

Avoid these documentation failures:
1

Missing version history

Can't prove which version was active when

2

Unsigned approvals

Policies without executive signatures

3

Outdated documents

Procedures that don't match practice

4

Incomplete records

Training without attendee confirmation

5

Inaccessible evidence

Documents scattered across systems

Access our documentation templates through the AI Governance series.

09

References

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