Toote nõuetele vastavuse tõendamiseks viiakse läbi vastavushindamine õigusaktis ettenähtud korras.
Tüüpilisteks vastavushindamise näideteks on proovivõtt, katsetamine ja inspekteerimine, hindamine, tõendamine, ja vastavuse kinnitamine (tarnija vastavusavaldamine, sertifitseerimine); registreerimine, akrediteerimine ja heakskiitmine kui ka nende kombinatsioonid.
Conformity assessment. 1. The conformity of instruments to the essential requirements set out in Annex I may be certified by either of the following procedures as selected by the applicant: (a) EC type examination as referred to in Annex II.1, followed either by the EC declaration of type conformity (guarantee of production quality) as referred to in Annex II.2, or by the EC verification as referred to in Annex II.3. However, EC type examination shall not be compulsory for instruments which do not use electronic devices and whose load-measuring device does not use a spring to balance the load; (b)EC unit verification as referred to in Annex II.4.