European Finance Observatory

Concept · Brief definitionRelevant to you

Data quality rule

A data quality rule is an automated test that checks data against an expectation, for example that a maturity date follows the trade date or that a mandatory field is filled. Each rule maps to a quality dimension and has a threshold, an owner and an escalation path.

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Roles that need it

This is a brief definition. A full explanation with a worked example is being written.

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Sources

Updated 31 Oct 2026.