The assessments should be carried out periodically, taking into account the principle of proportionality, the number and variety of type-approvals granted and any instances of non-compliance discovered during the compliance verification.
Ba cheart na measúnuithe a chur i gcrích ar bhonn tréimhsiúil, agus aird á tabhairt, ag an am céanna, ar phrionsabal na comhréireachta, ar líon agus ar chineál na gcineálcheaduithe a dheonaítear agus ar aon chásanna neamhchomhlíontachtaí a aimsítear le linn fhíorú na comhlíontachta.