is there a way to add a disclosure information with the rewritten Amazon links? I just stumbled upon this when Amazon send me a mail today about this topic, the content was basically this:
(I hope it opens in English - or the language of the browser at least.)
And I also saw this kind of disclosure information in the new eBay EPN Affiliate Link Generator theme component.
I think this might not just apply to German law but to many other countries and their laws as well.