《资治通鉴·唐纪·唐纪二十八》
在这一年，张说奏请玄宗批准将政事堂改名为中书门下，在中书门下之下分设吏房、枢机房、兵房、户房、刑礼房等五房管理日常事务。
是岁，张说奏改政事堂曰中书门下，列五房于其后，分掌庶政。
In this year, Zhang said that Emperor Xuanzong had approved his request to change the name of the political hall to Zhongshu Menxia, and under the Zhongshu Menxia, five rooms were established to manage daily affairs, including the official, pivotal, military, household, and Xingli rooms.