Article 10 'Honour All Cards' rule
1. Payment card schemes and payment service providers shall not apply any rule that obliges payees accepting a card-based payment instrument issued by one issuer also to accept other card-based payment instruments issued within the framework of the same payment card scheme.
2. Paragraph 1 shall not apply to consumer card-based payment instruments of the same brand and of the same category of prepaid card, debit card or credit card subject to interchange fees under Chapter II of this Regulation.
3. Paragraph 1 is without prejudice to the possibility for payment card schemes and payment service providers to provide that cards may not be refused on the basis of the identity of the issuer or of the cardholder.