The text that you had to read was a short sentence right there on the form
No. Only if scrutinized later
Google translate of what? There’s no such thing that you write on DA-1 nor on instruction to it. There is a sentence on the instruction about additional US withholding that I already told you about
Even if you had any interest you don’t need to attach anything about it, only if they ask (they won’t)
It doesn’t really matter much how you report it, but I specified cash positions last time as current accounts (Kontokorrent).
That’s correct. It’s detailed in the instructions and the forms. You put each stock only onto one of the forms: DA-1 if you want your money back from tax treaties else WV.