Requirements linked to professional qualifications should be considered to be necessary only where existing measures, such as product safety law or consumer protection law, cannot be regarded as being suitable or genuinely effective to achieve the aim pursued.
Níor cheart ceanglais atá nasctha le cáilíochtaí gairmiúla a mheas a bheith riachtanach ach amháin i gcás nach féidir bearta atá ann cheana, amhail an dlí um shábháilteacht táirgí nó an dlí um chosaint tomhaltóirí, a mheas a bheith oiriúnach ná fíor-éifeachtach chun an aidhm atá á saothrú a bhaint amach.