Impartiality is defined as actual and perceived presence of objectivity (Ref. 3.2 of ISO 17021:2011).
Impartiality is the principle holding that decisions are based on objective evidence obtained during assessments, not on the basis of bias or prejudice caused by influence of different interests of individuals or other involved parties. Threats to impartiality are permanently identified, reviewed and controlled for Safeguarding Impartiality.
Impartiality is mainly assured by independence of staff, competence of audit teams, exercising due professional care in conducting the audits, collecting of objective evidence and independent certification decisions.