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Reviewed in POC · content version 3

Review Policy Leakage

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Definition

Policy leakage is what happens when rules, defaults, or sensitivities built for one legal or cultural setting show up in how an AI system behaves somewhere else — so people in the second place are governed by the first place's assumptions without having chosen them or being told.
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Plain-Language Explanation

An AI system may carry behavioral limits or defaults from the place where it was built, trained, reviewed, or governed into a different setting. Users then encounter policy they did not knowingly choose.
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Why It Matters

Hidden policy transfer can affect access, expression, compliance, and trust. Teams need to distinguish model behavior from requirements that actually apply in the deployment environment.
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Example

A service used in one country refuses an ordinary local request because its behavior reflects restrictions designed for another jurisdiction.
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Common Misconception

Policy leakage is not the same as leaking private policy documents. It is the appearance of embedded rules or assumptions outside their original context.
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Remember It This Way

The model crossed borders; its policy came too.
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Related Terms

* [[context-to-reality-drift|Context-to-Reality Drift]] * [[layered-sovereignty|Layered Sovereignty]] * [[client-safe-language|Client-Safe Language]] * [[system|System]]
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Sources

* [Anu Bradford, “The Brussels Effect”](https://scholarlycommons.law.northwestern.edu/nulr/vol107/iss1/1/) — explains how one jurisdiction’s standards can spread through global markets and become embedded elsewhere without international agreement or direct coercion. This supports the mechanism behind the Renaissance Solutions term; Bradford uses “Brussels Effect,” not the label “Policy Leakage.”
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Learn More

* Compare deployment context with [[context-to-reality-drift|Context-to-Reality Drift]].
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