《宋史·列传·卷四十三》
于是可知唐制度每遇上朝日，就是入，此后正衙设立仪仗因而逐渐废弃了，很不符礼制。 
乃知唐制每遇坐朝日，即为入阁，其后正衙立仗因而遂废，甚非礼也。
It is known that during the Tang Dynasty system, it was prescribed that a person enter office at the hour of sunrise. After that, the formal office establishment was disbanded gradually because of ceremonies and etiquettes, which did not conform to the prescribed rites.