Bert Willing wrote:

Actually, you're wrong.
From a legal point of view, if it's installed it is supposed to be listed in
the list of equipment ("Ausrüstungsverzeichnis") whether you turn it on or
not.

Hmm. We could now continue to discuss whether a piece of silicon which
is never to be turned on is part of the equipment or not. (Frankly, I
don't know.) Of course, for all practical purposes, this question is
irrelevant.

Stefan