Retailers have welcomed the European Commission's decision to test the legality of credit card fees paid by retailers for Visa card transactions. There are now doubts that the so-called interchange fee' charged by Visa International to banks, which is then passed onto retailers, is acceptable under EU competition law. Given the Commission is likely to approve a ruling preventing retailers from charging customers an additional fee for using credit cards, it would be unfair if the interchange fee is not abolished, said a spokesman from the British Retail Consortium. "We consider the objection a step forward to demanding a total abolition of the system that some card companies have put in place," he added. {{NEWS }}