Õiguskantsler on oma tegevuses sõltumatu ametiisik, kes teostab järelevalvet seadusandliku ja täidesaatva riigivõimu ning kohaliku omavalitsuse õigustloovate aktide põhiseadusele ja seadustele vastavuse üle.
In the context of mutual interactions between the organs belonging to various state powers, Barber, for instance, proposes discussing so-called institutional self-defence. Within this concept, state organs are endowed with negative (shields) and positive (swords) mechanisms of self-defence. On the one hand, the shields include, for example, decisions of the legislature that are not subject to judicial review on the grounds of rationality and fairness or in situations where the head of state is given immunity from prosecution whilst in office (...).