《元史·列传·卷六》
凡其他行省监镇事，必先报告速浑察，定其可否，然后奏陈皇帝。
凡他行省监镇事，必先白之，定其可否，而后上闻。
All the affairs of supervising and inspecting other provinces had to be reported to Suhunchal before they could be decided. Only after he had approved them could they be reported to the emperor.