C-300/23NB v Kutxabank SA

The court's own keywords

Reference for a preliminary ruling – Consumer protection – Directive 93/13/EEC – Unfair terms in consumer contracts – Mortgage loan agreement – Term providing for a variable interest rate – Reference index based on the annual percentage rates of charge (APRC) of mortgage loans granted by savings banks – Official index established by a published administrative act – Information contained in the preamble to that act – Check relating to the requirement of transparency – Assessment of the unfair nature of the term – Principle of effectiveness.

Interprets