On July 11, the deployment of three divisions of troops from Japan was announced in the 'proclamation of troop dispatch to China,' even though there was an armistice being concluded between Colonel Kyutaro MATSUI, head of the secret service in Peiping (Beijing), and Qin Dechun, Deputy Commander of the 29th Army.
7月11日には現地の松井久太郎大佐（北平特務機関長）と秦徳純（第二十九軍副軍長）との間で停戦協定が締結されたにもかかわらず、内地三個師団を派兵する「北支派兵声明」を発表。