Cheng-hua: Year 23, Month 9, Day 19
5 Oct 1487
It was ordered that the Che-li Military and Civilian Pacification Superintendency and other places in Yun-nan, and Japan and other yi countries in the four directions be provided with verification tallies and tally-slips. These were changed to incorporate the new reign title.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 51, page 0045/46