共きょう同どう宣せん言げん

noun

joint declaration

A formal statement issued by two or more parties together, often used in political or diplomatic contexts.

• 両りょう国こくは平へい和わ条じょう約やくに関かんする共きょう同どう宣せん言げんを発はっ表ぴょうした。

  The two countries issued a joint declaration on the peace treaty.