Two regulators signed off on the $35 billion deal, which the banks say will create a competitor to Visa and Mastercard. But consumer advocates warn that the deal may raise costs.

To get full approval, Capital One must provide the OCC with a plan “to address the underlying root causes of any outstanding enforcement actions against Discover Bank and plans

Capital One's planned $35.3 billion acquisition of a rival credit card company, Discover, was approved by two regulators, Federal Reserve and the Office of the Comptroller of the Currency, on Friday.