《金史·列传·卷十五》
现在派遣光禄大夫、左宣徽使刘薚等持节册封尔为皇帝，国号定为宋，世代服臣职，永做卫国的重臣。
今遣光禄大夫、左宣徽使刘筈等持节册命尔为帝，国号宋，世服臣职，永为屏翰。
I am now sending Guanglu Daifu and Left Xuanhui Envoy Liu Ni to bestow upon you the title of Emperor, with the national name being Song, for you to serve as a vassal state from generation to generation, forever acting as a pillar of support for the nation.