Regulations on Food Safety Control System Article 10
The HACCP team shall confirm the system is working effectively, through internal audit carried out at least once a year.
中文原文 食品安全管制系統準則第10條
管制小組應確認本系統執行之有效性，每年至少進行一次內部稽核。
English translation for reference only; the Chinese text prevails. Not legal advice.