Postal Remittances and Savings Act Article 9
Interest rates for postal savings offered by Chunghwa Post shall be calculated per annum and posted in post office branches.
中文原文 郵政儲金匯兌法第9條
中華郵政公司辦理郵政儲金之利率，應以年率為準，並於營業場所揭示。
English translation for reference only; the Chinese text prevails. Not legal advice.