Negotiable Instruments Act Article 43

An acceptance shall be signified by inserting on the face of the bill the word "Accepted" and signed by the drawee. If the drawee merely signs their name on the bill, it is deemed an acceptance.
中文原文 票據法第43條
承兌應在匯票正面記載承兌字樣,由付款人簽名。
付款人僅在票面簽名者,視為承兌。

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