Apart from entering a card number and an expiration date, you probably will have to enter a security code — a feature on every credit card meant to help verify the card is in your possession.

This week, credit card companies Visa, Mastercard and American Express all said they would adopt a new code to categorize sales at gun shops, a move that advocates say will make it easier to flag ...

The post was liked more than 8,000 times in four days. The four largest credit card companies announced plans to use a code to identify purchases made at gun stores, but all backed away from ...

Visa, Mastercard and American Express announced plans to use a specific code for categorizing credit and debit card purchases made at gun stores. The move follows a decision from the International ...

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 ...

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 ...

Patrick T. Fallon / AFP via Getty Images 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 ...