In general— In the event that the debt of the United States Government, as defined in
section 3101 of title 31, United States Code, reaches the statutory limit, the Secretary of the Treasury shall, in addition to any other authority provided by law, issue obligations under chapter 31 of title 31, United States Code, to pay with legal tender, and solely for the purpose of paying, the principal and interest on obligations of the United States described in subsection (b) after the date of the enactment of this Act.