MS SB2856

Prohibits payment card networks from charging interchange fees (swipe fees) on the state and local tax portions of electronic payment transactions when taxes are listed separately on invoices

Requires payment card networks to either deduct tax amounts from interchange fee calculations at settlement or promptly rebate the proportionate interchange fee amount to merchants

Covers state sales taxes under Title 27, Chapter 65, local hotel/motel/restaurant taxes, motor fuel taxes, and other specified state fees

Imposes a civil penalty of up to $1,000 per violation payable to the plaintiff, plus requires refund of overcharged fees to affected merchants

Makes it unlawful for payment card networks to circumvent the law by increasing interchange fee rates on the non-tax portion of transactions