(6) Nødvendigheden af at sikre ensartethed i anvendelsen af fælles luftdygtigheds- og miljøkrav på luftfartsmateriel, -dele og -apparatur kræver, at medlemsstaternes kompetente myndigheder og efter behov agenturet følger fælles procedurer i deres vurdering af, hvorvidt disse krav opfyldes. Agenturet skal udarbejde certificeringsspecifikationer og vejledende materiale for at sikre den nødvendige ensartethed i forskrifterne.
(6) The need to ensure uniformity in the application of common airworthiness and environmental requirements for aeronautical products, parts and appliances requires that common procedures be followed by the competent authorities of the Member States and, where applicable, the Agency to assess compliance with these requirements; the Agency should develop certification specifications and guidance material to facilitate the necessary regulatory uniformity.