1. Federal Law No. 102-FZ, On Assurance of Uniformity of Measurements, June 26, 2008.
2. ISO/IEC 17025:2005, General Requirements for the Competence of Testing and Calibration Laboratories.
3. GOST R ISO/MEK 17025–2006, General Requirements for the Competence of Testing and Calibration Laboratories.
4. ISO/IEC 17043:2010, Conformity Assessment – General Requirements for Proficiency Testing.
5. GOST R 8.692–2009, GSI. Requirements for Competence of Providers of Tests of Proficiency of Testing Laboratories by Means of Inter-laboratory Comparison Tests.