Well, in another two years (August 2016) the latest opt-out will expire and every country within EASAland will at least have one common set of rules according EASA Part NCC.
Until then, you will continue to fly within bubbles of legal void with EU-OPS/EASA-OPS dealing with commercial operations only and EASA NCL in some countries - more and more - and national regulations in others.
Regarding EVS: EASA part NCL deals with that partly.