Transfer of Sentenced Persons Act Article 10
The days already served by the sentenced persons in the Transferring States prior to the transferring, the days of detention prior to the execution of judgment, and the days already proceeded on the transferring shall be deducted from the sentence converted pursuant to Article 9.
中文原文 跨國移交受刑人法第10條
接收前在移交國已執行徒刑之日數、執行前拘束受刑人人身自由之日數及接收程序所經之日數，均應以一日分別抵依前條轉換之有期徒刑一日。