This is the issue tracker and model repository for the Transparency and Targeting of Political Advertising (TTPA) specification, developed under the SEMIC initiative.
The TTPA model defines a common data structure and mandatory metadata elements for transparency notices related to online political advertising. It covers the description of:
The specification aims to support alignment with the European repository for online political advertisements, as required under EU transparency obligations.
The current draft version of the TTPA specification is 0.0.1.
Any problems encountered, or suggestions for new functionalities can be submitted as issues on the TTPA repository on code.europa.eu.
The TTPA repository is hosted on code.europa.eu and includes a dedicated Model project with GitLab Pages enabled for publishing draft releases.
A formal repository folder structure is not yet fully documented. This section will be updated as the project matures.
Copyright © 2026 European Union. All material in this repository is published under the licence CC-BY 4.0, unless explicitly otherwise mentioned.
Any problems encountered, or suggestions for new functionalities can be submitted as issues on the TTPA repository on code.europa.eu.
This section provides an overview of the working group sessions related to the TTPA specification.
The table below shows the working group sessions related to the current version of the TTPA specification:
| Title | Date | Time |
|---|---|---|
| TTPA Working Group 1 | 13/03/2026 | 10:00-12:00 |
| TTPA Working Group 2 | 26/03/2026 | 10:00–12:00 |
| TTPA Working Group 3 | 09/04/2026 | 15:00–17:00 |
Working group sessions are organised under the SEMIC initiative and bring together representatives from DG JUST, DG DIGIT, the STEP Network, national authorities, and external experts and organisations.
The TTPA specification is developed collaboratively through SEMIC working groups. Contributions, issues, and suggestions for new functionalities are welcome and should be submitted via the GitLab issue tracker.
Stakeholders involved in the development process include:
The TTPA specification is currently under active development through a series of working group sessions. Future deliverables and milestones beyond Working Group 3 are not yet formally defined and will be published here as the project progresses.
The TTPA specification is developed and maintained by the SEMIC team, in collaboration with representatives from the European Commission (DG JUST and DG DIGIT), national authorities, and external domain experts.
Special thanks to all working group participants for their contributions and reviews.
🟡 Active – Draft under development
The TTPA specification is currently in draft status (v0.0.1). Working group sessions are ongoing and open issues are being actively reviewed and resolved.