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GDPR Transparency and Consent Framework

Last updated: February 5, 2024

About the GDPR Transparency and Consent Framework

The IAB Tech Lab stewards technical specifications for the IAB Europe Transparency & Consent Framework. The specifications will be maintained by a working group of the IAB Tech Lab going forward, in a collaboration between IAB Europe and IAB Tech Lab that leverages IAB Europe’s policy and legal expertise and IAB Tech Lab’s technical expertise.

Transparency & Consent Framework Technical Specifications

  •  Version 2.2 of the technical specifications include:

    • Consent Management Platform API v2.2 
      • Version 2.2 includes the deprecation of the getTCData command
    • Transparency and Consent String with Global Vendor List Format v3.0
      • Version 3 of the GVL includes several new fields as well as edits to previous fields

    Any questions (general, policy) can be sent to and any technical questions to

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