This study proposes that the present religious institution of the Holy See—part sovereign state, part universal moral actor—operates in an authority association with the United Nations, whose international legal authority is founded in the UN Charter. Transnational legal theory, history and discourse analysis are used to analyse modern documents from UN and Vatican archives concerning the Holy See’s UN authority activity. The evidence demonstrates that the Holy See has acquired recognition as a universal voice of moral authority in the global forum, acting as mouth-piece of the divine. This present-day authority is rooted in the ancient cultivation of spiritual-temporal authority partnerships that ruled over the known empire, and the abilit...