Wyo. Stat. Ann. § 9-14-402
(a) As used in this act:
(i) 'Assign' or 'assignment' means a policy, process or practice that labels, links or otherwise associates a firearms or ammunition code with a merchant or payment card transaction in a manner that allows any entity facilitating or processing the payment card transaction to identify whether a merchant is a firearms retailer or whether a transaction involves the sale or purchase of firearms or ammunition;
(ii) 'Customer' means any person engaged in a payment card transaction;
(iii) 'Disclosure' means the transfer, publication or distribution of protected financial information to another person or entity for any purpose other than to process or facilitate a payment card transaction;
(iv) 'Financial record' means a financial record held by a merchant servicer related to a payment card transaction that the merchant servicer has processed or facilitated;
(v) 'Firearms code' means any code or other indicator that a merchant servicer assigns to a merchant or to a payment card transaction that identifies whether a merchant is a firearms retailer or whether the payment card transaction involves the purchase of a firearm, firearm accessories or ammunition. The term 'firearms code' includes, but is not limited to, a merchant category code assigned to a retailer by a payment card network or other merchant servicer;
(vi) 'Firearms retailer' means any person engaged in the lawful business of selling or trading firearms or ammunition to be used in firearms;
(vii) 'Government entity' means any county or municipality, or state board, commission, agency, bureau, department or any other political subdivision of the state;
(viii) 'Protected financial information' means any record of a sale, purchase, return or refund involving a payment
card that is retrieved, characterized, generated, labeled, sorted or grouped based on the assignment of a firearms code;
(ix) 'Merchant category code' means classification codes assigned by a merchant processor to merchants or payees that accept its payment cards to classify the goods or services provided or furnished by a merchant or payee;
(x) 'Merchant servicer' means a payment settlement entity, merchant acquiring entity or third party settlement organization as defined by 26 U.S.C. 6050W or any other entity that specifically assigns a merchant category code for use in a payment card transaction;
(xi) 'This act' means W.S. 9-14-401 through 9-14-404.