Man skal heller ikke forsøge at trænge ind i arbejdsretlige kollektive aftaler mellem fagforeninger og arbejdsgivere. Arbejdsretlige kollektive aftaler kan ikke være genstand for statens ageren, heller ikke for EU 's ageren.
We must not, however, make the mistake of adding features that deal only with social security and labour law to a technical regulation that is meant to serve the interests of safety in the air; mixing these together would make the regulation’ s direction less clear and tend to weaken it.