Treasury Bills and Short-Term Loans Act Article 11

The Central Bank is in charge of managing the issuance, buy back and redemption on treasury bills; regulations concerning the management are to be draft by the MOF in consultation with the Central Bank.
中文原文 國庫券及短期借款條例第11條
國庫券之發行、買回及還本、付息等業務,均委由中央銀行經理;其經理辦法,由財政部商同中央銀行訂定之。

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