General criteria for the operation of various types of bodies performing inspection (ISO/IEC 17020:1998); German and English version EN ISO/IEC 17020:2004
Conformity assessment - Requirements for the operation of various types of bodies performing inspection (ISO/IEC 17020:2012); German and English version EN ISO/IEC 17020:2012
Draft Document - Conformity assessment - General criteria for the operation of various types of bodies performing inspection (ISO/IEC DIS 17020:2011); German and English version prEN ISO/IEC 17020:2011
General criteria for the operation of various types of bodies performing inspection (ISO/IEC 17020:1998); German and English version EN ISO/IEC 17020:2004