《明史·列传·卷一百一十》
谨稽查旧制，营军随御驾到郊外祭祀，开始由内库提供装备，事情完了就归还。
谨稽旧制，营军随驾郊祀，始受甲于内库，事毕即还。
According to old regulations, the soldiers who accompanied the Emperor outside the city for the memorial services were provided with their equipment from the Inner Palace; after the mission is completed, they had to return it.