《明史·志·卷四十七》
外府、外卫、盐运司首领官，京官、地方官的杂职官、入流或未入流官，由吏员、承差等选任。
外府、外卫、盐运司首领官，中外杂职、入流未入流官，由吏员、承差等选。
The heads of the Waifu, Waiwei, and Yanyunsi, the miscellaneous officials of the capital and local officials, and the officials who entered or did not enter the mainstream, were selected from among the lishi and chengcha.