《明史·志·卷四十七》
余事缺员，在带俸公、侯、伯以及在京都指挥中选拔，地方正副总兵官，推举二人。
佥书缺，于带俸公、侯、伯及在京都指挥，在外正副总兵官，推二人。
If there is a vacancy in the remaining positions, they should be selected from among the Dukes, Marquises, and Earls who are receiving salaries, as well as the commanders in the capital. The chief and deputy commanders of the local military should recommend two people.