Sec. 610.002.  UNAUTHORIZED CATEGORIZATION OF CERTAIN TRANSACTIONS.  (a)  A person or entity involved in facilitating or processing an electronic payment transaction, including a payment card issuer or payment card network, may not assign to a merchant or require a merchant to use a firearms code. 
(b)  For the purposes of the sale of firearms, ammunition for use in firearms, and firearms accessories, a firearms retailer may not provide a firearms code to a payment card issuer or payment card network and may only use or be assigned a merchant category code for general merchandise retailers or sporting goods retailers. Any agreement or contractual provision to the contrary is void.
(c)  A payment card issuer or payment card network shall notify the payment card holder in writing on every occasion that a firearms code is assigned to an electronic payment transaction on the payment card holder's account.
Added by Acts 2023, 88th Leg., R.S., Ch. 514 (H.B. 2837), Sec. 3, eff. September 1, 2023.