Just days after the surprise passage of an amendment to regulate interchange, bankers are bracing for the possible addition of an even stronger measure that would hold them to the interest rate limit in the cardholder's state.

If enacted, the amendment from Sen. Sheldon Whitehouse, D-R.I. to the regulatory reform bill would upend the credit card business, which depends on the ability to export rates across state lines.

Subscribe Now

Access to a full range of industry content, analysis and expert commentary.

30-Day Free Trial

No credit card required. Access coverage of the securitization marketplace, including breaking news updated throughout the day.