Discover how Merchant Category Codes (MCCs) classify purchases for card rewards, tax reporting, and fees. Learn how they ...

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 ...

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.

Visa, Mastercard and Discover announced they will pause a plan to implement a new merchant category code for the nation’s gun retailers after political pressure from Republicans. The measure that was ...

Merchant category codes now exist for almost every kind of purchase, including those made at supermarkets, clothing stores, coffee shops, etc. Gun retailers were coded as general merchandise. Payment ...