《宋史·本纪·卷四》
太祖亲征李重进，太宗为大内都部署，加给同平章事，行使开封尹的职权，又加官兼中书令。
征李重进，为大内都部署，加同平章事、行开封尹，再加兼中书令。
When Taizu conquered Li Zhongjin, Taizong became the top commander of the imperial palace and was added to the Minister of State Aﬀairs, exercising the power of Kaifeng Yin, and was also awarded the post of Zhongshu Ling.