Русско-англо-русский юридический словарь

Certain norms of international law achieve the binding force of peremptory norms (jus cogens) as to include all states with no permissible derogations. (Wikipedia)

However, we expected Ukraine to remain our good neighbour, we hoped that Russian citizens and Russian speakers in Ukraine, especially its south-east and Crimea, would live in a friendly, democratic and civilised state that would protect their rights in line with the norms of international law. (BBC News)