"They can use it in an ongoing way to pay bills, save money, get cash and have a real basic, robust, safe and convenient transaction account, " said Treasury Financial Access Innovations Director Joshua Wright.

WSJ: Tax Refunds Move to Debit Cards

An acquirer that obtains CFIUS approval can proceed to close the transaction knowing that a safe harbor provision usually protects it from future CFIUS actions.

FORBES: If You Want to Buy an American Company, Ask Permission, Not Forgiveness