Русско-англо-русский юридический словарь

The right of nations to self-determination (from German: Selbstbestimmungsrecht der Völker) is a cardinal principle in modern international law (commonly regarded as a jus cogens rule), binding, as such, on the United Nations as authoritative interpretation of the Charter’s norms. (Wikipedia)

A justice of the peace court is the least authoritative type of criminal court in Scotland. The court operates under summary procedure and deals primarily with less serious criminal offences. (Wikipedia)

What the doctrine establishes is the legal supremacy of statute. It means that there is no source of law higher than - ie more authoritative than - an Act of Parliament. (parliament.co.uk)

signing authority. Legal power delegated by an authoritative body (such as a board of directors) to organizational positions (such as president, managing director, manager) appointing them as agents of the organization for general or specific purposes (such as payment authority, revenue authority, spending authority). (BusinessDictionary)