Enforcement Rules for the Ionizing Radiation Protection Act Article 15

Unless an exception is granted by the Competent Authority, all records taken for reporting in accordance with Paragraph 30.3 of the IRP Act shall be submitted to the Competent Authority within one (1) month after the end of each quarter and be kept on file for at least five (5) years.
中文原文 游離輻射防護法施行細則第15條
依本法第三十條第三項規定應定期報送主管機關之各項紀錄,除報經主管機關核准者外,應於每季結束後一個月內,報送主管機關,並至少保存五年。

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