Member States shall take the necessary measures to exercise vigilance and prevent specialised teaching or training of DPRK nationals, within their territories or by their nationals, in disciplines which would contribute to the DPRK's proliferation-sensitive nuclear activities and the development of nuclear-weapon delivery systems, including teaching or training in advanced physics, advanced computer simulation and related computer sciences, geospatial navigation, nuclear engineering, aerospace engineering, aeronautical engineering and related disciplines.

Member States shall, in accordance with international law, exercise enhanced vigilance over DPRK diplomatic personnel so as to prevent such persons from contributing to the DPRK's nuclear or ballistic-missile programmes, or other activities prohibited by UNSCR 1718 (2006), 1874 (2009), 2087 (2013), 2094 (2013) or 2270 (2016) or by this Decision, or to the evasion of measures imposed by those UNSCRs or by this Decision.