Negotiable Instruments Act Article 26

The drawer may designate and specify in the bill, in addition to the drawee, a person as the drawee's paying agent.The drawer may also designate and specify in the bill, in addition to the drawee, a person at the place of payment as the referee in case of need.
中文原文 票據法第26條
發票人得於付款人外,記載一人為擔當付款人。
發票人亦得於付款人外,記載在付款地之一人為預備付款人。

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