The legal basis of the system for ensuring the uniformity of measurements of the Republic of Armenia is RA Law on “Ensuring the Uniformity of Measurements” of 08.02.2012.

The duties of The National Body of Metrology and The National Institute of Metrology are performed by “National Institute of Metrology” CJSC which was established on the basis of "Metrologist" CJSC on 26 May 2004.