Section 1010.940 - Photographic or other reproductions of Government obligations
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.
31 C.F.R. §1010.940
75 FR 65812 , Oct. 26, 2010, as amended at 81 FR 76864 , Nov. 4, 2016