The EU regulation on this was already passed several years ago, and is already enforced in some countries, it should be universally enforced by the end of the year.
Do you have a regulation reference by any chance?
Gesetzesänderung des § 309 Nr. 13 BGB vom 1. Oktober 2016
See the news stories about it: https://www.pcwelt.de/news/Ab-1.10.-Kunden-duerfen-Online-Ve...