In Article 4(1) and (21), the dates before which operators already engaged in the occupation are exempt from certain obligations mupt be deferred in Greece to take account of rights acqudred under comparable conditions.
In Airteagal 4(1) agus (2), ni folâir na datai a mbeidh na carraeirî a ghabhann cheana don tsll bheatha sin eiscthe δ oibleagâidl âirithe rompu a chur siar sa Ghrëig d'fhonn na cearta a bheidh faighte acu faoi choinnîollacha inchomparâide a urramû.