The proposed settlement would resolve allegations that USAA violated laws protecting those in the military from excessive interest rates. The bank said it "strongly disagrees" with the allegations.

The bank technology company has a payments unit but reports most of its revenue comes from sources other than transaction processing.

The guidance largely matches last summer's proposal, with clarifications around least-cost determinations, foreign bank resolutions and resolution strategies. Regulators also gave banks more time to file their living wills under the new framework.

Judge Martin Glenn of the Federal Bankruptcy Court of the Southern District of New York greenlighted SVB Financial's bankruptcy plan Monday, but $1.93 billion in FDIC-held deposits remain contested pending further litigation.

Monday's market decline has sparked concerns of an economic downturn, calling attention to installment lenders that market to distressed consumers.

A long-time industry observer and bank regulation expert spells out the steps banks should take to ensure their fintech relationships are safe.