《明史·志·卷二十八》
凡是内殿祭告，从万历二年以后，皇帝亲自祭祀，则祭品、祭文、执事人员，都出白宫内太监。
凡内殿祭告，自万历二年后，亲祭则祭品告文执事，皆出内监。
For all indoor temple sacrifices, after the second year of Wanli, if the emperor officiated, the offerings, sacrificial texts, and attendants were all provided by the eunuchs of the inner palace.