18 U.S.C. § 15 : Crimes And Criminal Procedure — General Provisions — Crimes — Obligation Or Other Security Of Foreign Government Defined Date: 7 Mar 2017 TEXT PDF The term “obligation or other security of any foreign government” includes, but is not limited to, uncanceled stamps, whether or not demonetized. (Added Pub. L. 85–921, § 3, Sept. 2, 1958, 72 Stat. 1771.)