《宋史·本纪·卷二》
八月十二日，太祖下诏川峡各州检察百姓中有父母在世而本人分家另住的，以死罪论处。
八月丁亥，诏川峡诸州察民有父母在而别籍异财者，论死。
On August 12th, the Taizu issued an edict to the various prefectures of Sichuan and Xia to search for households where parents were still alive but their children had separated from them to live elsewhere; violators would be punished by death.