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The bill preserves nationwide payment-processing continuity for firearm merchants and reduces legal uncertainty for financial firms by imposing a federal rule, but it overrides state-level controls over transaction coding—potentially weakening local public-safety tools and creating federal enforcement costs.
Small-business owners that sell firearms can continue using standardized merchant category codes (MCCs) for transactions, avoiding payment-processing disruptions or merchant account restrictions.
Financial institutions and card networks gain clarity from a uniform federal rule enforced by the Attorney General, reducing legal uncertainty about conflicting state bans on merchant coding.
State governments lose the ability to restrict or discourage merchant coding for firearm sales, limiting local public-safety and consumer-protection policy tools.
Consumers and communities (urban and rural) may face reduced transparency and fewer state-level tools to track or restrict firearm-related financial flows that states consider important for public safety.
Taxpayers could face increased federal enforcement and litigation costs if the Department of Justice must sue to block state laws, diverting resources from other priorities.
Based on analysis of 2 sections of legislative text.
Preempts states from banning or deterring use of ISO merchant category codes to identify firearm merchants or firearm-related card transactions and lets the Attorney General sue to enforce that rule.
Introduced January 16, 2026 by Maxwell Frost · Last progress January 16, 2026
Prohibits states from banning or discouraging use of ISO merchant category codes (MCCs) to identify firearm merchants or payment-card transactions for firearms, ammunition, parts, or accessories, and gives the U.S. Attorney General the power to sue in federal court to enforce that ban. Also names the law the "Merchant Codes Can Save Lives Act."