strategy Deep Dive

AI Governance: From Policy to Code

calendar_todayJAN 30, 2024
schedule7 MIN READ
personSARAH JENKINS

Every organisation deploying AI at scale needs an AI governance framework. Most have one. Almost none have translated it from a policy document into operational controls.

The gap between "we have an AI ethics policy" and "our AI systems enforce those policies automatically" is where most governance failures happen.

Why Policy Documents Are Not Enough

A policy that says "AI systems must not discriminate on the basis of protected characteristics" is not a control. It is a statement of intent. Controls are the mechanisms that detect, prevent, and report on policy violations.

The policy lives in a SharePoint folder. The AI system runs in production. They have no connection to each other.

The Governance-as-Code Framework

The shift to governance-as-code means three things:

Automated policy checks — every AI output that makes a decision affecting individuals is evaluated against defined fairness metrics before it is acted upon.

Continuous monitoring dashboards — aggregate statistics on model behaviour (approval rates by demographic group, confidence score distributions, error patterns) are visible to designated oversight roles in near real-time.

Escalation pipelines — when a metric breaches a threshold, the system automatically escalates to a human reviewer and can pause the AI's decision-making authority pending review.

Implementing the Framework

Step 1: Policy Translation

Take each governance policy statement and translate it into measurable criteria.

Policy: "The AI system must not produce outputs that are discriminatory."

Translated: "The selection rate for Group X must be within 20% of the selection rate for the highest-selecting protected group (four-fifths rule). Selection rates are measured weekly. A breach triggers human review within 24 hours."

Step 2: Instrumentation

Every AI decision point must emit structured events that capture the data needed to evaluate the translated criteria. If you cannot measure it, you cannot enforce it.

Step 3: Evaluation Layer

A lightweight evaluation service receives decision events and applies the translated criteria. Compliant decisions pass through; non-compliant decisions are flagged, logged, and routed to human review.

Step 4: Audit Trail

All evaluation results — pass and fail — are written to an immutable audit log. This is the evidence layer: when a regulator asks "how do you know your AI is compliant?", the answer is the audit log.

Step 5: Governance Dashboard

Aggregate metrics are surfaced to AI governance officers, legal, compliance, and board-level AI risk committees on a cadence appropriate to the risk level of each system.

The Organisational Reality

Governance-as-code requires cross-functional ownership. Engineering builds and maintains the technical controls. Legal and compliance define the policy criteria. The AI governance function owns the monitoring and escalation. Leadership owns accountability.

Getting these functions aligned is harder than the technical implementation. Start with a single high-risk AI system, build the governance infrastructure for it, and use it as the template for the rest of the portfolio.


Building your AI governance infrastructure? Our team helps organisations translate policy into automated controls.