Regulations Governing Monitoring Inspection of Products from Premises with Registered Management Systems Article 7

For production premises that are registered under the management-system-based monitoring inspection, the inspection records, the monitoring inspection certificates, registry mentioned in paragraph 2 of Article 4, and other relevant inspection documents shall be maintained for at least 3 years.
中文原文 管理系統認可登錄廠場監視查驗辦法第7條
管理系統監視查驗之生產廠場,應保存商品之檢驗紀錄、查驗證明、登記表及其他相關檢驗文件三年。

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