CERN IT Governance

Operational Circular No. 11 (Rev.1) — Processing of Personal Data

Properties3
descriptionCERN's internal data protection framework, revised with effect from 1 February 2026.
urlhttps://home.cern/operational-circular-no-11-rev1-processing-personal-data-cern/
kindpolicy-document

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Operational Circular No. 11 (Rev.1) — Processing of Personal Data

The official announcement of the revised OC11.

What it anchors

  • OC11 constitutes CERN’s internal data protection framework; Rev.1 entered into force on 1 February 2026, cancelling and replacing the January 2019 circular and its annexes.
  • The revision clarifies conditions for consent, the procedure for a Data Privacy Impact Assessment (DPIA), the role of external entities, CERN’s position as data controller, and data subject rights.

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