New Hampshire House Committee Passes Bill to Prohibit Credit Card Codes to Track Firearms Purchases
Titled the Firearm Purchaser’s Privacy Act, the proposed law would prohibit a payment card network from requiring a New Hampshire merchant from using a "firearms code" defined as "merchant category code 5723, approved in September 2022 by the International Organization for Standardization, for firearms retailers."
Source: tenthamendmentcenter.com