A written AI use policy is not AI governance. Real governance requires identity and access controls scoped to each AI system, data classification before it reaches a model, logged and reviewable agent actions, and a human-approval gate for anything consequential, enforced technically, not just documented.
Most organizations adopted AI tools faster than they built the controls to govern them. The gap between "we have a policy" and "we can prove what our AI systems actually did" is where the real exposure sits, and it's exactly what a regulator, auditor, or customer security review will ask about first.
ISO 42001 and the EU AI Act both converge on the same underlying expectation: documented risk assessment, defined human oversight, and evidence of ongoing monitoring, not a one-time sign-off. Internally, that translates into architecture-level requirements: model/provider boundaries, prompt and data retention limits, and agent tool permissions that are enforced by the system, not just described in a policy.
"The organizations that get this right treat AI governance as an extension of existing identity and data-classification discipline, not a brand-new program. The ones that struggle are the ones writing policy before they've mapped what their AI systems can actually touch." Asaf Levy