Core Viewpoint - The reintroduction of the Credit Card Competition Act aims to provide merchants with alternatives to Visa and Mastercard, promoting competition in the credit card processing market [1][2][4]. Group 1: Legislative Details - Senators Roger Marshall and Dick Durbin have reintroduced the Credit Card Competition Act, which mandates that banks with assets of $100 billion or more must provide merchants with a payment routing option that is not Visa or Mastercard [2][5]. - The act seeks to address the dominance of Visa and Mastercard, which control approximately 85% of the credit card processing market, and aims to reduce interchange fees for retailers and restaurants [4][5]. Group 2: Support and Opposition - The bill has garnered bipartisan support, with endorsements from retailers and restaurants, as well as backing from the Republican president, who has called for lower interest rates for credit card users [3][4]. - The Electronic Payments Coalition, which includes Visa and Mastercard, has criticized the proposed legislation, labeling it a "big government takeover of the credit card system" [6].