《元史·列传·卷五十》
皇子安西王开府于秦，皇帝诏建宫室，一切由炳裁决。
皇子安西王开府于秦，诏治宫室，悉听炳裁制。
When Prince Anxi of the Imperial Clan established his court in Qin, the Emperor ordered the construction of a palace, with all matters to be decided by Bing.