Republican A.G. Push Visa, Mastercard, AmEx Not To Track Gun Sales

The payment networks said they would adopt the International Organization for Standardization's new merchant code for gun store sales.

American Express, Visa and Mastercard cards on display
Steve Helber / AP

A group of Republican attorneys general are pushing the major payment networks — Visa, Mastercard and American Express — to drop their plans to start tracking sales at gun stores, arguing the plans could infringe on consumer privacy and push legal gun sales out of the mainstream financial network.

The letter comes more than a week after the payment networks said they would adopt the International Organization for Standardization's new merchant code for sales at gun stores. The merchant code would categorize sales at gun stores not unlike how payment networks categorize sales at airlines, restaurants, and department stores.

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In their letter, the AGs threaten to use all legal tools at their disposal to stop the payment networks from tracking gun sales.

"Categorizing the constitutionally protected right to purchase firearms unfairly singles out law-abiding merchants and consumers alike," the letter said.

In recent weeks gun control advocates argued that separately categorizing gun store sales could potentially flag a surge of suspicious sales activity to public safety officials. They have used the example from the 2016 Pulse Nightclub shooting in Orlando, where the shooter purchased $26,000 worth of ammunition ahead of the massacre.

But the Second Amendment lobby and its advocates have argued that the merchant code would do a poor job of tracking potential red flags and could unfairly flag legal gun purchases. A sale of a gun safe worth thousands of dollars would be categorized as a gun store sale just as much as someone buying thousands of dollars worth of ammunition, for example.

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The payment networks said when they adopted the policy that they are just following the guidance from ISO. It will be largely up to the banks who issue the credit and debit cards to decide whether they want to stop sales under certain merchant codes.

The CEOs of the major banks will appear in front of Congress on Wednesday and Thursday this week, and they are almost certainly to be asked questions on the gun store sales tracking controversy.

Additional reporting by The Associated Press.