Negotiable Instruments Act Article 99

If the holder is concurrently the drawer, they have no right of recourse against any party prior to them.If the holder is concurrently the endorser, they have no right of recourse against any party subsequent to their endorsement.
中文原文 票據法第99條
執票人為發票人時,對其前手無追索權。
執票人為背書人時,對該背書之後手無追索權。

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