EDTO
Ironically, the only "authority" loosely based in Europe that has proceeded with EDTO is Air Support Services International, who write the rules and guidance material for the UK Overseas Territories, Bermuda and the Cayman Islands in particular. See Overseas Territories Aviation Requirements (OTARs), in particular Parts 121.270 and .275.
http://www.airsafety.aero/legislation_and_otar_s/otars_for_gazetting/otar_121_commercial_air_transport_operations_-_large_aeroplanes/
Although ASSI is a subsidiary company of the UK Civil Aviation Authority, "established under Directions from the United Kingdom's Department for Transport " it supports only the UK Overseas Territories, in their requirement to follow ICAO's Annexes. I have been told by a senior member in ASSI that it is not required to follow EASA and therefore it cannot be assumed that EASA's EDTO AMCs will mirror OTARs.
(In fact, OTARs feature mainly for private operators, those who have to follow the very comprehensive and pretty demanding Part 125, which is ASSI's interpretation of ICAO Annex 6 Part 2, which EASA's Part NCC is a very watered down interpretation, perhaps due to effective lobbying)