[nfin]

I thought only those has to be reported, which would cause you to miss more than 3 days of work.

I think I read that somewhere, but not certain!

[HerrBertling]

That is correct, see https://www.tagesschau.de/wirtschaft/unternehmen/tesla-gruen... where it is mentioned in the third paragraph.

[germanier]

Yes, this is correct.

All accidents, no matter how minor, have to be documented and the documentation kept for 5 years though.