 The Mongols organized northern Burma as the province of Zhengmian.Ceasefire negotiations began in 1285, and ended with Narathihapate finally agreeing to submit in June 1286.The Burmese embassy, received by the emperor in Beijing in January 1287, agreed to a treaty that acknowledged the suzerainty of the Yuan dynasty or the Mongol Empire over the Pagan Empire and annual payments in taxes to the Yunnan government in exchange for the evacuation of Mongol troops from northern Burma.