Negotiable Instruments Act Article 33
A holder of a bill of which the last endorsement is a blank endorsement may alter the blank endorsement into a special endorsement by specifying themself or another person as the endorsee in the appropriate blank space before negotiating the bill.
中文原文 票據法第33條
匯票之最後背書為空白背書者，執票人得於該空白內，記載自己或他人為被背書人，變更為記名背書，再為轉讓。