Fact #9

The credit card bill of rights would "ban unilateral changes ... apply interest rate increases only to future debt ... prohibit interest on fees ... prohibit 'universal defaults' (whereby a credit card raises its rates because the consumer was late paying a different creditor) ... require prompt and fair crediting of cardholder payments." 

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http://www.politifact.com/truth-o-meter/promises/obameter/promise/33/establish-a-credit-card-bill-of-rights/

Sources:

White House, Obama town hall meeting in Rio Rancho , N.M, May 14, 2009.

Bloomberg News, Congress Sends Credit-Card ‘Bill of Rights" to Obama , by Jeff Plungis, May 20, 2009.

Senate Banking Committee, Summary of credit card bill of rights , accessed May 22, 2009.

White House, Fact sheet on the credit card bill of rights , May 22, 2009