Če naročniki zahtevajo predložitev potrdil, izdanih s strani neodvisnih organov, ki potrjujejo usklajenost gospodarskega subjekta z nekaterimi standardi za zagotovitev kakovosti, se morajo sklicevati na sisteme zagotavljanja kvalitete, ki temeljijo na ustrezni seriji evropskih standardov, potrjenih s strani organov, ki so usklajeni s serijo evropskih standardov v zvezi z izdajanjem potrdil.
Should they require the production of certificates drawn up by independent bodies attesting the compliance of the economic operator with certain quality assurance standards, contracting authorities shall refer to quality assurance systems based on the relevant European standards series certified by bodies conforming to the European standards series concerning certification.