register on the electoral roll for the European elections as a citizen of the Union
Source: BUS Rheinland-PfalzIf you are a citizen of the European Union living in Germany and want to take part in the European elections, you must be entered in the electoral register. This is either done ex officio or you must apply to be entered.
If you were entered on the electoral roll at a previous European election and have not moved abroad in the meantime, you will be entered on the electoral roll ex officio and do not need to submit a new application.
In all other cases, you must apply to be entered on the electoral roll.