He held a diplomatic rank of Ambassador Extraordinary and Plenipotentiary. Generals, ambassadors, plenipotentiary ministers and half of the were replaced. Instead, the United Kingdom dispatched a diplomat with the lower rank of "Minister plenipotentiary". Nicholas II accepted American mediation, appointing Sergei Witte chief plenipotentiary for the peace talks. Since 2004 he has the rank of Ambassador Extraordinary and Plenipotentiary. All held the title of Ambassador Extraordinary and Plenipotentiary while in office. However, the Japanese government refrained from appointing a Minister Plenipotentiary to Israel until 1955. The Armenian leadership approved an ultimatum, presented to it by the Soviet plenipotentiary Boris Legran. It therefore became customary to style the chiefs of full ranking missions as Minister Plenipotentiary. The Plenipotentiary Conference is the supreme organ of the ITU. Spinola was appointed as plenipotentiary and general. He became Plenipotentiary and Chief Superintendent from 1836 to 1841. Somewhere between the two was the position of minister plenipotentiary. He was elected at the 2014 ITU Plenipotentiary Conference. He cites German plenipotentiary Hermann Neubacher.