Nothing herein contained shall require or authorize the reproduction of:
(a) Currency or other obligation or security of the United States as defined in 18 U.S.C. 8, or
(b) Any obligation or other security of any foreign government, the reproduction of which is prohibited by law.
[75 FR 65812, Oct. 26, 2010, as amended at 81 FR 76864, Nov. 4, 2016]