Amex, Mastercard, Visa pause work on new firearms merchant code

Liberals will never leave gun owners alone - Washington Times

Visa, Mastercard, Amex to Track Gun Shops With New Merchant Code - WSJ

The Death of Credit Card Possessors Tracking Firearm Purchases

Credit Card Companies 'Pause' Implementation of New Gun Purchase

Visa, Mastercard, Amex Face Calls From GOP Attorneys General to

Credit-Card Companies Think Twice About Tracking Purchases at Gun

Credit Card Companies Were Ready To Track Gun Purchases. Gun

Visa joins Mastercard in AmEx in categorizing gun shop sales : NPR

NSSF Encouraged by Credit Card 'Pause' in Special Firearm Retail

Credit Card Giants Back Away From Tracking Gun Purchases