Yong-le: Year 5, Month 9, Day 27
27 Oct 1407
The following positions were established in Jiao-zhi: One registrar each in the Jiao-zhou Left, Right, Central and Forward Guards as well as in the Chang River Guard and Qing-hua Guard and one clerk in the Shi Bridge Independent Battalion. All positions were to be filled by one officer each.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 11, page 998