Regarding EASA/FAA TIP rev 6: classifying a change as major or minor. Whose classification is this - the Certifying Authority or the Validating Authority, since the classification procedures differ?
Classification is the Certifying Authority (CA) responsibility and must be accepted by the Validating Authority (VA) .
The applicant shall classify the change (minor/major) according to the applicable regulatory framework for its design organization. This means that a DOA (EU) shall classify changes according to EU 748/2012 Annex 1 (Part 21).