《元史·列传·卷九十二》
中书省奏请设立规措所，官阶五品。这个机构的官吏，以会从事商业的人担任。
中书省奏立规措所，秩五品，所司官吏，以善贾者为之。
The Department of Central Secretariat proposed to establish a Gui Cuo Institute with the fifth rank. The officials of this agency should be engaged in business. 