《宋史·列传·卷八十七》
现在应当加以整顿权衡，遇到谷物贵的时候，则官府从澶、魏之地买进，然后运到边境；青黄不接时，则将谷物按当时的买入价卖给民众，以救民乏；军粮有剩余的，则仓库就收进。
今当有以权之，遇谷贵，则官籴于澶，魏，载以给边；新陈未交，则散籴价以救民乏；军食有余，则坐仓收之。
Now it should be rectified and weighed. When the price of grain is high, the government will buy it from the places of Chan and Wei, and then transport it to the border; when the lean season comes, the grain will be sold to the people at the purchase price at that time to help the people; if there is any surplus military food, it will be collected in the warehouse.