The regulation would not apply in UK and Ireland, as their respective governments decided to exercise their right to opt out, nor in Denmark, as it is always the case for these matters.
Līdz ar to regula neparedz nekādu nacionālo likumu harmonizāciju šādiem gadījumiem, izmaiņas mantošanas likumos nacionālā līmenī, tai skaitā attiecībā uz īpašumu vai nodokļiem.