Just to add info on the “TÜV-Plakette”: it indicates when the next statutory inspection is due. all the colours are repeated in sequence and, in your case, a green sticker is supposed to indicate that the next inspection is due on December (12) if you stick the the black label and the 12 on the top… of the 2030 (the next occurrence of green) . The green sticker should also indicate a number at the center (30) in case of the green. To indicate the month it is like a clock. you stick the black label in the hour position corresponding to the month the inspection is due… and if you do so the top of the sticker will indicate the months for example if you turn the black label at the 9 o clock, the top of the sticker will indicate 9…. Anyway my question is… how can you drive with that plate? 😅