On January 21, 1895, a draft directive was drawn up with the title "Hyoko kensetsu ni kan suru ken seigi no tori" (Approval of Petition Regarding Construction of Markers in Line with Cabinet Approval).
On the same day, the same draft directive was signed and stamped by Prime Minister Ito Hirobumi as Naikaku Hi 16 and returned to the Home Ministry. (Ref. 1)
Ref.1 ：Naikaku Hi 16, in Teikoku hanto kankei zakken (Matters Related to Imperial Territory) 1-4-1-7, from the Diplomatic Archives of the Ministry of Foreign Affairs of Japan.
Japan's Island Territories
Senkaku Islands Facts & Figures
Takeshima Facts & Figures
Northern Territories Facts & Figures