The “guarantee of non-repetition” or ‘non-recurrence’ is enshrined in several international human rights instruments and decisions. It means that following a period of conflict in which mass human rights violations occurred, states are required to ensure that such atrocities never happen again. In practice, this guarantee is satisfied by institutional reform, particularly the reform of those institutions that committed violations or allowed them to take place.
Legal sources of the guarantee of non-repetition are: