Hong-wu: Year 31, Month 5, Day 5
21 May 1398
The ministers Sun Zi-bu and Po Lou Gai-wu-tai-ye-pi-ma (Alt: Po Lou Dan-wu-tai-ye-pi-ma) who had been sent by the country of Champa, offered tribute of local products. It was Imperially commanded that clothing and paper money, as appropriate, be conferred upon Zi-bu and the others.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 8, page 3715