Reference / Glossary / Privacy and regulation
Purpose Limitation
The principle that personal data collected for one purpose may not be used for an incompatible one without a new legal basis. It is why customer data collected for order fulfilment needs consent or a compatible-purpose analysis before it becomes a targeting list.
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Cite this entry:
Agency Echelon. "Purpose Limitation." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/glossary/purpose-limitation/