《元史·本纪·卷十二》
搬迁旧城区的市场和局院，税务司署均迁入大都，减轻赋税，征收四十分之一。
徙旧城市肆局院，税务皆入大都，减税征四十分之一。
Relocate markets and bureau offices in the old city; the Tax Bureau is moved into the capital, tax burdens are lightened, and taxes are reduced by a quarter.