Regulations For Management Of Central Government Bonds Article 20

Upon maturity of a registered certificate, the holder shall receive the payment of principal and interest from the bank branch selling the certificates by presenting the identical seal.
中文原文 中央公債經理辦法第20條
記名式債票到期本息,持票人應向原經辦行憑留存印鑑兌領。

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