FAQ n.20096

When and how, during the certification process, is the level of involvement (LOI) of the Agency established?


Currently the LOI concept is not formally introduced in Part-21. Nevertheless the Agency is not required to verify 100% of all compliance statements and in practice the project managers (PCM) and relevant experts define their level of involvement based on engineering judgement.

Part-21 already requires applicants in point 21.A.20(b) to provide a ‘certification programme’ for compliance demonstration. This programme is typically used by the Agency to determine its level of involvement.

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