《旧五代史·后梁·太祖纪三》
从今以后出使到两浙、福建、广州、安南、邕、容等道的使者准许在出使地停留一个月，出使湖南、洪、鄂、黔、桂者准许停留二十天，出使荆、襄、同、雍、镇、定、青、沧者准许停留十天，其余出使附近者不过三五天。
自今后两浙、福建、广州、安南、邕、容等道使到发许住一月；湖南、洪、鄂、黔、桂许住二十日；荆、襄、同、雍、镇、定、青、沧许住十日；其余侧近不过三五日。
From now on, envoys dispatched to the circuits of the Two Zhe, Fujian, Guangzhou, Annan, Yong, and Rong may remain at their posts for one month. Those dispatched to Hunan, Hong, E, Qian, and Gui may remain for 20 days. Those dispatched to Jing, Xiang, Tong, Yong, Zhen, Ding, Qing, and Cang may remain for ten days, while those sent to other nearby places should not remain for more than three to five days.