A financial institution may not discriminate against a firearms dealer by:

1. (1) Declining a lawful payment card transaction based solely on the assignment or non-assignment of a firearms code to the merchant or the transaction;
2. (2) Limiting or declining to do business with a customer, potential customer, or merchant, based on the assignment or non-assignment of a firearms code to previous lawful transactions involving the customer, potential customer, or merchant;
3. (3) Charging a merchant a higher transaction or interchange fee for a lawful transaction based on the assignment or non-assignment of a firearms code; or
4. (4) Taking any other action against a customer or merchant with the intent of suppressing lawful commerce involving firearms, firearm accessories or components, or ammunition, if the action is based solely or in part on the customer's or merchant's business involving firearms, firearm accessories or components, or ammunition.

Source: SL 2025, ch 165 , § 4.