Regulations Governing the Administration of Shareholder Services of Public Companies Article 46

The shareholders referred to in paragraph 1 of the preceding Article shall report to the company any changes in their shareholding during the previous month by the fifth day of each month. By the 15th day of each month, the company shall compile such information and transmit it via the information reporting website designated by this Commission; after transmission has been completed, public notice shall be deemed to have been duly given.The provisions of paragraph 2 of the preceding Article shall apply mutatis mutandis to paragraph 1.
中文原文 公開發行股票公司股務處理準則第46條
前條第一項股票持有人,應於每月五日以前將上月份持有股數變動之情形,向公司申報,公司應於每月十五日以前,彙總向本會指定之資訊申報網站進行傳輸,於完成傳輸後,即視為已依規定完成公告申報。
前條第二項規定,於第一項準用之。

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