Section 11(d) of the Federal Reserve Act ( 12 U.S.C. 248(d) ) is amended to read as follows: (d) To supervise and regulate through the Secretary of the Treasury the issue and retirement of Federal Reserve notes (both physical and digital), except for the cancellation and destruction, and accounting with respect to such cancellation and destruction, of notes unfit for circulation, and to prescribe rules and regulations (including appropriate technology) under which such notes may be delivered by the Secretary of the Treasury to the Federal Reserve agents applying therefor. . (b) Issuance to reserve banks