Beginning Monday, a California law will require credit card networks like Visa and Mastercard to provide banks with special retail codes that can be assigned to gun stores in order to track their sales.

Conflicting laws around the purchase of firearms are taking effect across different states. In California, credit card companies must provide banks with retail codes for gun stores in order to help track their sales.

A new national divide is emerging among states over whether to track sales by gun stores. A California law taking effect Monday will require credit card networks to provide banks with special retail codes to assign to gun stores.

According to a new law in California, Credit card networks such as Visa and Mastercard will now provide banks with special retail codes that can track sales at gun stores

Beginning Monday, a California law will require credit card networks to provide banks with special retail codes that can be assigned to gun stores in order to track their sales.

A national divide is emerging among states over whether to track sales by gun stores. California is the first of three states to pass bills requiring tracking codes for gun

Many Republican lawmakers and gun-rights advocates fear the retail code could lead to unwarranted suspicion of gun buyers who have done nothing wrong. Over the past 16 months, 17

A California law will require credit card networks to provide banks with retail codes that can be assigned to gun stores in order to track their sales.