《明史·志·卷五十四》
粮一万石，粮长、副各一人，按时输税到京，能得到召见，言语合意，便蒙提升录用。
粮万石，长、副各一人，输以时至，得召见，语合，辄蒙擢用。
For 10,000 shi of grain, there were one grain chief and one deputy each. They delivered the taxes to the capital on time, and they could be summoned. If their words were agreeable, they would be promoted and employed.