Historical
DIN EN ISO/IEC 17043:2009
Conformity assessment - General requirements for proficiency testing (ISO/IEC/DIS 17043:2008); German and English version prEN ISO/IEC 17043:2008 (Foreign Standard)
This International Standard specifies general requirements for the competence of providers of proficiency testing schemes and for the development and operation of proficiency testing schemes. These requirements are intended to be general for all types of proficiency testing schemes, and they can be used as a basis for specific technical requirements for particular fields of application.
Deutsches Institut für Normung [din]