The meeting between the Armenian Nuclear Regulatory Authority and the US DOE/National Nuclear Security Administration International Safeguards and Engagement Program (INSEP) took place in the period 8-12 February 2010 in the ANRA headquarters. The objective of the meeting was to develop a work plan of future cooperation in the areas of state system of accounting and control of nuclear materials, non-destructive assay and environmental radiation monitoring. During the mission the US team visited the Armenian NPP. There was also organized a one-day workshop at which the expert from the Los Alamos National Laboratory (USA) provided a general information on NDA. The seminar was intended for specialists of ANRA, Nuclear and Radiation Safety Center, “Armatom” Institute, Armenian NPP. The results of the meeting were summarized in the protocol that was signed by the ANRA Chairman and the INSEP team leader.