《北史·本记·卷九》
二年正月，魏废帝下诏任宇文泰为左丞相、大行台、都督中外诸军事。
二年正月，魏帝诏帝为左丞相、大行台、都督中外诸军事。
In January of the second year, the deposed emperor of Wei issued an edict appointing Yuwen Tai as Left Chancellor, General, and Chief Commander of Military Affairs in the capital and provinces.