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.

As of May 16, 2023, the IAB Tech Lab and IAB Europe are encouraging industry adoption of the Transparency and Consent Framework version 2.2.

Version 2.2 of the technical specifications include;

  • Consent Management Platform API v 2.1 
    • Version 2.1 includes the deprecation of the getTCData command
  • Transparency and Consent String with Global Vendor List Format v 3.0
    • Version 3 of the GVL includes several new fields as well as edits to some fields

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

  • Includes v1.1 of the technical specifications
  • Includes v2.2 of the technical specifications

More information about the IAB Europe news surrounding the Transparency and Consent Framework can be found at