The Competition Appeal Tribunal (CAT) has reserved its previous decision on MasterCard's interchange fees, rejecting an appeal from MasterCard. This means that the original conclusion that MasterCard's interchange rates are abusive will stand. The CAT dismissed all of MasterCard's arguments, finding them to be lacking. This victory for merchants is

The competitive environment of the financial industry necessitates a robust legal framework to ensure fair practices. When it comes to disputes involving processing networks like MasterCard, the appeals process plays a crucial role in upholding competition law principles. Grasping this process is essential for parties across the financial ecosystem