Now that the International Organization for Standardization has approved a new code to identify purchases at stores that sell guns and ammunition, many groups are speaking up about threats to privacy ...

Visa, MasterCard and American Express said they will implement a new merchant category code for gun retailers. The International Organization for Standardization approved the code last week. The ...

An international standards body has approved creation of a merchant code for gun retailers, a representative said on Friday, following pressure from activists who say it will help track suspicious ...

Gun control advocates are cheering a new change in the credit card industry that they say could help prevent gun violence. This week, credit card companies Visa, Mastercard and American Express all ...

A new code identifying credit card sales of guns and ammunition has been approved by the International Standards Organization, creating a potential path for card networks to help law enforcement ...

US credit card giants said they will implement a new merchant category code for the nation’s gun retailers, which gun control activists say will help flag potential mass shooters and gun traffickers.

The International Organization for Standardization approved creation of a new merchant code for gun retailers following pressure from gun-control activists. The code will will identify transactions at ...

The creation last week of a new merchant code for gun sales could give financial firms the tool needed to flag suspicious purchases, advocates hope. By Andrew Ross Sorkin Vivian Giang Stephen Gandel ...

A merchant category code — or an MCC — is a four-digit number used by credit card companies to classify businesses for payments, taxation and rewards purposes. MCCs affect the interchange rates and ...

Visa Inc.,V-0.95%decrease; down pointing triangle Mastercard Inc. MA-0.65%decrease; down pointing triangle and American Express Co. AXP-0.75%decrease; down pointing triangle will add a new merchant ...