Regulations For Management Of Central Government Bonds Article 35

Where the owner of a registered certificate requests a replacement of seal due to loss of the seal, he/she shall fill out an application for replacement of seal and file the same with the original branch bank together with the certificates, new seal, and his/her identification.
中文原文 中央公債經理辦法第35條
記名式債票持票人如因印鑑遺失要求更換時,應檢同債票、新印鑑及身分證明,向原經辦行填具更換印鑑申請書,以憑核辦。

English translation for reference only; the Chinese text prevails. Not legal advice.