After many twists and turns, the German Federal Fiscal Court has finally ended the proceedings in the case Finanzamt T, which it had referred to the ECJ on two occasions (Finanzamt T I and Finanzamt T II). Now we have clarity: the German VAT group is here to stay.
Source: kmlz.de
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.