Negotiable Instruments Act Article 137

If the drawer's funds on deposit or the sum of money agreed to be advanced to the drawer under a credit agreement are insufficient to cover the amount of the check drawn, the drawee may pay a part of the amount.When a situation like the one referred to in the preceding paragraph occurs, the holder shall indicate on the check the actual amount they receive.
中文原文 票據法第137條
付款人於發票人之存款或信用契約所約定之數不敷支付支票金額時,得就一部分支付之。
前項情形,執票人應於支票上記明實收之數目。

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