Treasury Bills and Short-Term Loans Act Article 6

Treasury bills that are issued in the form of certificates shall be bearer form, but the purchaser may file to register at the time of purchase. Those treasury bills that are issued in the book-entry form shall all be in registered form.
中文原文 國庫券及短期借款條例第6條
國庫券以債票形式發行者,為無記名式。
但承購人於承購時,得申請記名。
其以登記形式發行者,皆為記名式。

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