President Donald Trump used a Monday social post to cheer Kansas Republican Sen. Roger Marshall for “working tirelessly” on the Credit Card Competition Act, reviving a retailer-backed push to force more competition among payment networks just weeks before the midterm election.
What the bill would do
The Credit Card Competition Act, long stalled in Congress, would require large banks to let merchants route many Visa and Mastercard transactions over at least one competing network. Grocery chains, gas stations, and e-commerce platforms have lobbied for the change, saying interchange fees—often 2 percent or more on rewards cards—get baked into prices everyone pays. The White House framed the effort as “Main Street over Wall Street” in recent talking points tied to affordability messaging.
Issuers counter that interchange funds fraud protection and the cash-back perks that middle-class cardholders expect. Industry groups told policymakers that mandating network choice could push banks to trim rewards programs or add annual fees, a threat they renewed as talk of a December lame-duck vote circulated.
Why October matters politically
Trump first backed the concept in January but intensified his public support as grocery inflation stayed in campaign ads. Marshall’s bill gives Republicans a consumer-pocketbook story that does not require new spending. Democrats who back merchant relief can align without touching SNAP or Medicare ledgers. The Wall Street Journal reported banks issued a “code red” to lobbyists last week, fearing a post-election window when retiring lawmakers might trade favors.
What shoppers should watch
Nothing in the bill changes checkout fees this week. If a lame-duck version passes, implementation would run through the Federal Reserve and card networks over months, not days. Households heavy on 2 percent cash-back cards should monitor issuer earnings calls for rewards cuts, while small businesses should track whether their processors actually pass through network savings. Until Congress schedules a vote, the fight remains rhetorical—but Monday’s presidential post makes clear the White House wants the measure on the December calendar.
Merchant coalition math
Retail groups estimate U.S. merchants pay more than $100 billion a year in card acceptance fees, with groceries and fuel stations operating on thin margins. They argue routing choice would let payment processors negotiate lower network fees the same way PIN-debit transactions already compete on price. Convenience-store associations have run state-level campaigns showing item-level price differences in markets where debit routing is common.
Bank trade groups respond that credit cards fund rewards, fraud screening, and interest-free float for consumers who pay in full. They also warn that smaller issuers might lose bargaining power if network mandates spread. Neither side has released a Congressional Budget Office score for the latest Marshall language, leaving lawmakers to trade anecdotes ahead of a potential December floor vote.
Consumer trade-offs in plain terms
If interchange falls, merchants might cut shelf prices—but history suggests many will pocket savings unless competition forces otherwise. Cardholders who earn 2 percent back on groceries could see those offers trimmed if banks lose revenue. Travel hackers watching Chase and American Express premium cards should note that co-brand deals with airlines are negotiated partly with interchange in mind; a structural fee cut could ripple into lounge access or transfer bonuses over time.
Marshall’s office has not published a whip count. For now the actionable item is political: advocacy groups on both sides are flooding constituent inboxes, and Monday’s presidential post signals the White House will reward Republicans who keep the bill alive through the lame duck. Shoppers do not need to change wallets today, but the December calendar is now the deadline to watch.