Section 815 ILCS 151/150-10 - [Effective 7/1/2025] Interchange fees on taxes prohibited(a) An issuer, a payment card network, an acquirer bank, or a processor may not receive or charge a merchant any interchange fee on the tax amount or gratuity of an electronic payment transaction if the merchant informs the acquirer bank or its designee of the tax or gratuity amount as part of the authorization or settlement process for the electronic payment transaction. The merchant must transmit the tax or gratuity amount data as part of the authorization or settlement process to avoid being charged interchange fees on the tax or gratuity amount of an electronic payment transaction.(b) A merchant that does not transmit the tax or gratuity amount data in accordance with this Section may submit tax documentation for the electronic payment transaction to the acquirer bank or its designee no later than 180 days after the date of the electronic payment transaction, and, within 30 days after the merchant submits the necessary tax documentation, the issuer must credit to the merchant the amount of interchange fees charged on the tax or gratuity amount of the electronic payment transaction.(c) This Section does not create liability for a payment card network regarding the accuracy of the tax or gratuity data reported by the merchant.(d) It shall be unlawful for an issuer, a payment card network, an acquirer bank, or a processor to alter or manipulate the computation and imposition of interchange fees by increasing the rate or amount of the fees applicable to or imposed upon the portion of a credit or debit card transaction not attributable to taxes or other fees charged to the retailer to circumvent the effect of this Section.Added by P.A. 103-0592,§ 150-10, eff. 7/1/2025.