《旧唐书·本纪·卷十一》
当时方面大员功勋之臣升入六部尚书、令、仆射的八名高级官员都不是正职，朝廷便命令正员以主持尚书省为名义。
时方面勋臣升八座者多非正员。朝命正员者以知省事为名。
At that time, eight high-ranking officials who had distinguished themselves as regional military and civil leaders and had been promoted to the positions of minister of the Six Ministries, chancellor and minister of the three departments were not yet regular officials. The court therefore ordered the regular officials to take charge of the Ministry of Works.