Negotiable Instruments Act Article 49

The drawee may designate a paying agent at the time of acceptance.The drawee may, at the time of acceptance, strike out or alter the paying agent designated by the drawer.
中文原文 票據法第49條
付款人於承兌時,得指定擔當付款人。
發票人已指定擔當付款人者,付款人於承兌時,得塗銷或變更之。

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