Stiftung ear charges fees and expenses within its actions as authority for all individually allocatable public services that it renders towards producers, authorised representatives, authorises agents, public waste disposal authorities, guarantee systems and collection schemes, and determines these by fee notification.
Basis for the fee notification is the fee regulation on electrical and electronic equipment Act - batteries Act (ElektroBattGGebV) enacted by the Federal Ministry for the Environment, Nature Conservation, Nuclear Safety and Consumer Protection as well as the electrical and electronic equipment Act (here.), the batteries Act ( ) and the law on federal fees (BGebG). You can find the prementioned regulations and laws
You find the legal basis here.