Regulations Governing Information to be Published in Order Tickets, Trade Reports, and Reconciliation Statements Prepared by Securities Brokers Upon Receiving Orders to Buy or Sell Securities Article 10

A securities broker shall prepare a monthly reconciliation statement in duplicate and complete it by the fifth day of the following month, with one copy delivered to the principal and the other retained by the securities broker.The reconciliation statement under the preceding paragraph shall be completed based upon the data recorded in the customer ledger.
中文原文 證券經紀商受託買賣有價證券製作委託書買賣報告書及對帳單應行記載事項準則第10條
證券經紀商應按月編製對帳單一式二份並於次月五日前填製,一份送交委託人,一份證券經紀商收存。
前項對帳單應依客戶分戶帳記載之資料填製之。

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