New U.S. Currency Expires If Not Spent In Two Weeks WASHINGTON, DC— Seeking to stimulate consumer spending, the Treasury Department unveiled "QuikCash," a new U.S. currency that expires two weeks from the date of its issuance. "America, get ready to spend," Treasury Secretary Paul O'Neill said Monday. "QuikCash is our exciting new way to jump-start the economy while telling our valued citizens, 'Hey, go get yourself something nice. Now.'"