Article 14
Member States shall require their nationals, persons subject to their jurisdiction and firms incorporated in their territories or subject to their jurisdiction to exercise vigilance when doing business with entities incorporated in Iran or subject to Iran's jurisdiction, including those of the IRGC and IRISL and any individuals and entities acting on their behalf or at their direction, and entities owned or controlled by them including through illicit means in order to ensure such business does not contribute to Iran's proliferation-sensitive nuclear activities or the development of nuclear weapon delivery systems or to violations of UNSCR 1737 (2006), UNSCR 1747 (2007), UNSCR 1803 (2008) or UNSCR 1929 (2010).