Last month, Arkansas Gov. Sarah Huckabee Sanders signed into law HB 1509, the Second Amendment Financial Privacy Act, bringing the total number of states with similar laws to 20. It’s a significant and positive development. The Second Amendment Privacy Act legislation – similarly titled in other states – prohibits financial institutions, credit card companies and payment processors from using a firearm retailer-specific Merchant Category Code (MCC) to track firearm and ammunition purchases.