This decision lays down the implementing rules for the communication obligation regarding the most advantageous tariff plan pursuant to Article 109 of the Act of 13 June 2005 on electronic communications.
It provides details, in particular, on:
- The period to be taken into account for the calculation of the consumption profile;
- The timing of the annual communication;
- The calculation method to identify the most advantageous tariff plan;
- The clear and transparent nature of the communication;
- The concept of durable medium. Operators have nine months from the publication of the decision to adapt their practices.
This document is not available in your language. However, you can consult it in the following language: (FR, NL)
- FR: Download document "Décision du 28 janvier 2026 concernant les modalités d’exécution de la communication du plan tarifaire le plus avantageux sur base de l’article 109 de la LCE"
- NL: Download document "Besluit van 28 januari 2026 betreffende de nadere regels ter uitvoering van de mededeling van het meest gunstige tariefplan op basis van artikel 109 van de WEC"