《明史·志·卷四十七》
锦衣卫堂上官以及前卫掌印官缺员，按照五府规定推举二人。
锦衣卫堂上官及前卫掌印缺，视五府例推二人。
In case of a vacancy in the office of Captain of the Imperial Guards or the officer in charge of the seal of the Forerunner Guard, two people should be recommended according to the regulations of the Five Offices.