In online trading, customers are usually provided with several
alternative payment methods (purchase on account, direct debit,
credit card, PayPal, etc.). Frequently, however, merchants offer
the use of certain payment methods only to selected groups of
customers or have special requirements for the use of individual
methods. For example, purchase on account is often only available
for customers who have previously purchased from the relevant
merchant. The European Court of Justice dealt with another case
constellation in a recent ruling (CJEU, September 05, 2019, Case
C-28/18 - Verein für Konsumenteninformation v. Deutsche Bahn
AG):
In the case at issue, the Austrian Consumer Information
Association had filed a complaint before the Austrian courts about
a clause in Deutsche Bahn's conditions of carriage according to
which bookings made on the Deutsche Bahn website could only be paid
by direct debit if the customer was resident in Germany. Since the
response to the
