National Grocers Association was one of original litigants in the anti-trust case and now rejects the preliminary settlement.
Card fight promises to go another round.
Two trade associations of retailers have filed briefs asking a judge to reject the proposed settlement of that suit.
Merchants Payments Coalition report says interchange rates not to blame for bank fee boosts.
Interchange settlement now opposed by Retail Industry Leaders Association, which includes Walmrt, Apple, Pepboys and Abercrombie & Fitch, among others.
National Grocers Association comes out against the proposed anti-trust settlement between retailers and the major card brands and some major card issuers.