The German Packaging Ordinance under the Waste Act is comparable with the European "Packaging and Packaging Waste Directive - 94/62/EC".
It’s an regulation and law for avoiding, collecting and recycling product packaging. http://www.bmu.de/abfallwirtschaft/downloads/doc/5882.php
The Company DSD (and others) are fulfilling the rules of this law with means collecting and recycling packaging from households. (In Germany they are marked with the Grüner Punkt). Is a brand sign owned by Duales System Deutschland (DSD) and indicates in which box to but the waste. It’s chargeable, means companies has to pay license fee for printing it on there packaging.