Muss ich für die Anschlussbewilligung NIV 15 auch eine Prüfung ablegen?
Do I also have to take an examination for the NIV 15 connection permit?
A total of eight examinations must be taken for the NIV 15 follow-up permit, either practical, or practical/oral, or oral and written for each part of the examination. Each examination lasts between 15 and 30 minutes, all examinations together take three hours.
