Regulations Governing Foreign Bank Branches And Representative Offices Article 25

Within two months after the end of the head office's fiscal year, the representative office shall submit to the competent authority a report of its activities in the ROC.The above report shall be in such form and include such contents, and shall be filed in such manner, as required by the competent authority.
中文原文 外國銀行分行及代表人辦事處設立及管理辦法第25條
外國銀行代表人辦事處應於總行營業年度終了後二個月內將在我國工作情形作成工作報告,申報主管機關備查。
前項工作報告之格式、內容及申報方式,由主管機關定之。

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