JPMorgan Chase will exit the international commercial card business at the end of the year, and that has partners and clients scrambling. Competitors including American Express and Citi stand to benefit from an unscheduled influx of requests for proposals.

Unplanned is how one JPMorgan Chase corporate card customer described the situation. "We got official notice in January," said the source, who requested anonymity due to company policy prohibiting public comments about suppliers. "It just wasn't on our project list for this year."

It's not exactly clear why Chase is making the move. Information about it showed up in . . .

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