Credit card security codes are three-digit codes on the back of your card (four-digits on the front if you have an American Express card) used to verify that have the physical card. You typically ...

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.

Code offers "significant" new tool for identifying shooters, one advocate said. A gunman in Aurora, Colorado, who killed 12 people in a mass shooting at a movie theater, in 2012, legally acquired ...

A credit card categorization code that could improve the tracking of gun sales was approved by an international panel that sets standards for the payments industry, according to New York City ...

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 ...

AGs from 24 states sent a letter threatening to take action over a new merchant code for gun stores. The move follows the International Organization for Standardization's recent vote to create the ...

Gun law advocates are praising a decision to adopt a new sales code for transactions at gun stores, a move they had urged to help flag suspicious purchases. John Feinblatt, president of Everytown for ...

Republican attorneys general of 24 states are warning Visa Inc.,V-1.62%decrease; red down pointing triangle Mastercard Inc. MA-2.01%decrease; red down pointing triangle and American Express Co.

NEW YORK — A gunman in Aurora, Colorado, who killed 12 people in a mass shooting at a movie theater, in 2012, legally acquired weapons and ammunition using a credit card. So did a shooter in Orlando, ...

California this month became the first state to require credit card companies to create a unique four-digit code for stores selling firearms. And on the same day the law took effect in California, ...

Maxon Shooter's Supplies owner Dan Eldridge poses in his store in Des Plaines, Ill., June 25. A new national divide is emerging among states over whether to track sales by gun stores. A California law ...