Judgment of the Court (Second Chamber) of 16 April 2026.#American Express Europe SA and Others v International Card Services BV.#Request for a preliminary ruling from the College van Beroep voor het bedrijfsleven.#Reference for a preliminary ruling – Payment services in the internal market – Regulation (EU) 2015/751 – Article 2(10) – Interchange fees for card-based payment transactions – Article 2(11) – Net compensation – Article 4 – Cap on the amount of those fees – Article 5 – Prohibition of circumvention – Remuneration received by a co-branding partner from a three party payment card scheme – Application of that cap to that remuneration – Deduction of the value of the services provided by the co-branding partner.#Case C-549/23.