Voluntary display to potential customer or customers of rescaled or new labels either online or in physical shops is not allowed before the date specified in the specific Energy Labelling regulation. Dealers have start the display of new or rescaled labels instead of the old labels within fourteen working days after that date.
Disclaimer: Please note that the European Commission cannot provide a legally binding interpretation of the EU legislation, as this is the sole competence of the European Court of Justice. Any remarks from the European Commission services are without prejudice to the position the Commission might take should related cases arise in a procedure before the Court of Justice.