§ 33 of the German Securities Trading Act (WphG) constitutes the following: „If through acquisition or disposition or otherwise someone reaches, surpasses or falls below a threshold of 3%, 5%, 10%, 15%, 20%, 25%, 30%, 50%, or 75% of voting rights in a quoted company, of which Germany ist he country of origin a notification has to be made without delay to the company and the Bundesanstalt.”
As for warrants of deposit which constitute a substitute to shares, the holder of the warrants is obliged to make the notification.“