The Regulations for Safekeeping and Management of Money and Properties of Inmates in Prison and Detention Center Article 3

Money brought into Authorities by Inmates, Money acquired by Inmates in authorities or Money sent to Inmates from outside shall be verified and registered by Authorities together with the Inmates or the senders.
中文原文 監獄及看守所收容人金錢與物品保管及管理辦法第3條
收容人攜入機關、在機關取得或外界送入之金錢,機關應與收容人或送入人核對及登記。

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